137472541631 has 2 divisors, whose sum is σ = 137472541632. Its totient is φ = 137472541630.

The previous prime is 137472541559. The next prime is 137472541681. The reversal of 137472541631 is 136145274731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137472541631 - 2¹⁰ = 137472540607 is a prime.

It is a super-2 number, since 2×137472541631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137472541681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68736270815 + 68736270816.

It is an arithmetic number, because the mean of its divisors is an integer number (68736270816).

Almost surely, 2^137472541631 is an apocalyptic number.

137472541631 is a deficient number, since it is larger than the sum of its proper divisors (1).

137472541631 is an equidigital number, since it uses as much as digits as its factorization.

137472541631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The spelling of 137472541631 in words is "one hundred thirty-seven billion, four hundred seventy-two million, five hundred forty-one thousand, six hundred thirty-one".