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139152655 = 576136571
BaseRepresentation
bin10000100101101…
…00110100001111
3100200211200120001
420102310310033
5241110341110
621450305131
73306530605
oct1022646417
9320750501
10139152655
11716034a4
123a7281a7
1322aa1765
14146a3875
15c33a63a
hex84b4d0f

139152655 has 8 divisors (see below), whose sum is σ = 167207184. Its totient is φ = 111172800.

The previous prime is 139152653. The next prime is 139152659. The reversal of 139152655 is 556251931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139152655 - 21 = 139152653 is a prime.

It is a super-2 number, since 2×1391526552 = 38726922787098050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139152653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14481 + ... + 22090.

It is an arithmetic number, because the mean of its divisors is an integer number (20900898).

Almost surely, 2139152655 is an apocalyptic number.

139152655 is a deficient number, since it is larger than the sum of its proper divisors (28054529).

139152655 is an equidigital number, since it uses as much as digits as its factorization.

139152655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337.

The product of its digits is 40500, while the sum is 37.

The square root of 139152655 is about 11796.2983600789. The cubic root of 139152655 is about 518.1997100671.

The spelling of 139152655 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, six hundred fifty-five".

Divisors: 1 5 761 3805 36571 182855 27830531 139152655