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137178381376 = 266726912
BaseRepresentation
bin111111111000001110…
…1111111110001000000
3111010002012022210122201
41333300131333301000
54221420131201001
6143004024442544
712624260000641
oct1776035776100
9433065283581
10137178381376
11531a4690323
1222704919454
13cc2213598a
1468d49bb6c8
15387d166501
hex1ff077fc40

137178381376 has 63 divisors (see below), whose sum is σ = 276737363847. Its totient is φ = 67467692160.

The previous prime is 137178381359. The next prime is 137178381479. The reversal of 137178381376 is 673183871731.

The square root of 137178381376 is 370376.

It is a perfect power (a square), and thus also a powerful number.

137178381376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 198521191 + ... + 198521881.

It is an arithmetic number, because the mean of its divisors is an integer number (4392656569).

Almost surely, 2137178381376 is an apocalyptic number.

137178381376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

137178381376 is the 370376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137178381376

137178381376 is an abundant number, since it is smaller than the sum of its proper divisors (139558982471).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137178381376 is an frugal number, since it uses more digits than its factorization.

137178381376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 760 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 55.

The spelling of 137178381376 in words is "one hundred thirty-seven billion, one hundred seventy-eight million, three hundred eighty-one thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 67 134 268 536 691 1072 1382 2144 2764 4288 4489 5528 8978 11056 17956 22112 35912 44224 46297 71824 92594 143648 185188 287296 370376 477481 740752 954962 1481504 1909924 2963008 3101899 3819848 6203798 7639696 12407596 15279392 24815192 30558784 31991227 49630384 63982454 99260768 127964908 198521536 255929816 511859632 1023719264 2047438528 2143412209 4286824418 8573648836 17147297672 34294595344 68589190688 137178381376