137889757813 has 8 divisors (see below), whose sum is σ = 140425621560. Its totient is φ = 135362777280.

The previous prime is 137889757781. The next prime is 137889757823. The reversal of 137889757813 is 318757988731.

It can be written as a sum of positive squares in 4 ways, for example, as 6096798724 + 131792959089 = 78082^2 + 363033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137889757813 - 2⁵ = 137889757781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137889757823) 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, 2189470 + ... + 2251567.

It is an arithmetic number, because the mean of its divisors is an integer number (17553202695).

Almost surely, 2^137889757813 is an apocalyptic number.

It is an amenable number.

137889757813 is a deficient number, since it is larger than the sum of its proper divisors (2535863747).

137889757813 is an equidigital number, since it uses as much as digits as its factorization.

137889757813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441607.

The product of its digits is 71124480, while the sum is 67.

The spelling of 137889757813 in words is "one hundred thirty-seven billion, eight hundred eighty-nine million, seven hundred fifty-seven thousand, eight hundred thirteen".