137787364631 has 8 divisors (see below), whose sum is σ = 161133396864. Its totient is φ = 115356863160.

The previous prime is 137787364613. The next prime is 137787364639. The reversal of 137787364631 is 136463787731.

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

It is not a de Polignac number, because 137787364631 - 2³⁰ = 136713622807 is a prime.

It is a super-2 number, since 2×137787364631² (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 (137787364639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228882365 + ... + 228882966.

It is an arithmetic number, because the mean of its divisors is an integer number (20141674608).

Almost surely, 2^137787364631 is an apocalyptic number.

137787364631 is a deficient number, since it is larger than the sum of its proper divisors (23346032233).

137787364631 is an equidigital number, since it uses as much as digits as its factorization.

137787364631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457765381.

The product of its digits is 10668672, while the sum is 56.

The spelling of 137787364631 in words is "one hundred thirty-seven billion, seven hundred eighty-seven million, three hundred sixty-four thousand, six hundred thirty-one".