137880071280 has 120 divisors (see below), whose sum is σ = 529196864352. Its totient is φ = 31515443712.

The previous prime is 137880071221. The next prime is 137880071291. The reversal of 137880071280 is 82170088731.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13673539 + ... + 13683618.

Almost surely, 2^137880071280 is an apocalyptic number.

137880071280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137880071280 is an abundant number, since it is smaller than the sum of its proper divisors (391316793072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137880071280 is a wasteful number, since it uses less digits than its factorization.

137880071280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27357183 (or 27357174 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The spelling of 137880071280 in words is "one hundred thirty-seven billion, eight hundred eighty million, seventy-one thousand, two hundred eighty".