137657297551 has 16 divisors (see below), whose sum is σ = 139853376000. Its totient is φ = 135479923488.

The previous prime is 137657297521. The next prime is 137657297563. The reversal of 137657297551 is 155792756731.

It is a cyclic number.

It is not a de Polignac number, because 137657297551 - 2³⁷ = 218344079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137657297521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14000305 + ... + 14010133.

It is an arithmetic number, because the mean of its divisors is an integer number (8740836000).

Almost surely, 2^137657297551 is an apocalyptic number.

137657297551 is a deficient number, since it is larger than the sum of its proper divisors (2196078449).

137657297551 is a wasteful number, since it uses less digits than its factorization.

137657297551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758.

The product of its digits is 13891500, while the sum is 58.

The spelling of 137657297551 in words is "one hundred thirty-seven billion, six hundred fifty-seven million, two hundred ninety-seven thousand, five hundred fifty-one".