137389092637 has 4 divisors (see below), whose sum is σ = 137757428380. Its totient is φ = 137020756896.

The previous prime is 137389092571. The next prime is 137389092641. The reversal of 137389092637 is 736290983731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 736290983731 = 173 ⋅4256017247.

It can be written as a sum of positive squares in 2 ways, for example, as 117387779161 + 20001313476 = 342619^2 + 141426^2 .

It is a cyclic number.

It is not a de Polignac number, because 137389092637 - 2³⁵ = 103029354269 is a prime.

It is a super-2 number, since 2×137389092637² (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 (137389090637) 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, 184167312 + ... + 184168057.

It is an arithmetic number, because the mean of its divisors is an integer number (34439357095).

Almost surely, 2^137389092637 is an apocalyptic number.

It is an amenable number.

137389092637 is a deficient number, since it is larger than the sum of its proper divisors (368335743).

137389092637 is an equidigital number, since it uses as much as digits as its factorization.

137389092637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368335742.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 137389092637 in words is "one hundred thirty-seven billion, three hundred eighty-nine million, ninety-two thousand, six hundred thirty-seven".