137638889013 has 4 divisors (see below), whose sum is σ = 183518518688. Its totient is φ = 91759259340.

The previous prime is 137638888997. The next prime is 137638889111. The reversal of 137638889013 is 310988836731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137638889013 - 2⁴ = 137638888997 is a prime.

It is a super-2 number, since 2×137638889013² (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 (137638889413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22939814833 + ... + 22939814838.

It is an arithmetic number, because the mean of its divisors is an integer number (45879629672).

Almost surely, 2^137638889013 is an apocalyptic number.

It is an amenable number.

137638889013 is a deficient number, since it is larger than the sum of its proper divisors (45879629675).

137638889013 is an equidigital number, since it uses as much as digits as its factorization.

137638889013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45879629674.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 137638889013 in words is "one hundred thirty-seven billion, six hundred thirty-eight million, eight hundred eighty-nine thousand, thirteen".