137260389631 has 4 divisors (see below), whose sum is σ = 137286485064. Its totient is φ = 137234294200.

The previous prime is 137260389559. The next prime is 137260389647. The reversal of 137260389631 is 136983062731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137260389631 - 2³⁵ = 102900651263 is a prime.

It is a super-2 number, since 2×137260389631² (a number of 23 digits) 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 (137260389031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13039825 + ... + 13050346.

It is an arithmetic number, because the mean of its divisors is an integer number (34321621266).

Almost surely, 2^137260389631 is an apocalyptic number.

137260389631 is a deficient number, since it is larger than the sum of its proper divisors (26095433).

137260389631 is an equidigital number, since it uses as much as digits as its factorization.

137260389631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26095432.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 137260389631 in words is "one hundred thirty-seven billion, two hundred sixty million, three hundred eighty-nine thousand, six hundred thirty-one".