137869659531 has 12 divisors (see below), whose sum is σ = 199447265160. Its totient is φ = 91773628800.

The previous prime is 137869659527. The next prime is 137869659583. The reversal of 137869659531 is 135956968731.

137869659531 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 6 + 9 + 6 + 595 + 31 = 666.

It is not a de Polignac number, because 137869659531 - 2² = 137869659527 is a prime.

It is a super-2 number, since 2×137869659531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137869659731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11616870 + ... + 11628731.

It is an arithmetic number, because the mean of its divisors is an integer number (16620605430).

Almost surely, 2^137869659531 is an apocalyptic number.

137869659531 is a deficient number, since it is larger than the sum of its proper divisors (61577605629).

137869659531 is a wasteful number, since it uses less digits than its factorization.

137869659531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23246266 (or 23246263 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 137869659531 in words is "one hundred thirty-seven billion, eight hundred sixty-nine million, six hundred fifty-nine thousand, five hundred thirty-one".