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139876514 = 269938257
BaseRepresentation
bin10000101011001…
…01100010100010
3100202012110111122
420111211202202
5241302022024
621514012242
73315634151
oct1025454242
9322173448
10139876514
1171a58328
123aa17082
1322c9608b
1414811598
15c42ed5e
hex85658a2

139876514 has 4 divisors (see below), whose sum is σ = 209814774. Its totient is φ = 69938256.

The previous prime is 139876511. The next prime is 139876519. The reversal of 139876514 is 415678931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415678931 = 2318072997.

It can be written as a sum of positive squares in only one way, i.e., 133287025 + 6589489 = 11545^2 + 2567^2 .

It is not an unprimeable number, because it can be changed into a prime (139876511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34969127 + ... + 34969130.

Almost surely, 2139876514 is an apocalyptic number.

139876514 is a deficient number, since it is larger than the sum of its proper divisors (69938260).

139876514 is an equidigital number, since it uses as much as digits as its factorization.

139876514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69938259.

The product of its digits is 181440, while the sum is 44.

The square root of 139876514 is about 11826.9401790996. The cubic root of 139876514 is about 519.0966985325.

The spelling of 139876514 in words is "one hundred thirty-nine million, eight hundred seventy-six thousand, five hundred fourteen".

Divisors: 1 2 69938257 139876514