137049507420 has 48 divisors (see below), whose sum is σ = 438558425088. Its totient is φ = 31325601600.

The previous prime is 137049507383. The next prime is 137049507437. The reversal of 137049507420 is 24705940731.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163153756 + ... + 163154595.

It is an arithmetic number, because the mean of its divisors is an integer number (9136633856).

Almost surely, 2^137049507420 is an apocalyptic number.

137049507420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137049507420 is an abundant number, since it is smaller than the sum of its proper divisors (301508917668).

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

137049507420 is a wasteful number, since it uses less digits than its factorization.

137049507420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326308370 (or 326308368 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 137049507420 in words is "one hundred thirty-seven billion, forty-nine million, five hundred seven thousand, four hundred twenty".