137980531 has 8 divisors (see below), whose sum is σ = 150476480. Its totient is φ = 125753472.

The previous prime is 137980523. The next prime is 137980541. The reversal of 137980531 is 135089731.

It is a happy number.

137980531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 137980531 - 2³ = 137980523 is a prime.

It is a super-2 number, since 2×137980531² = 38077253870083922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137980541) 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, 66150 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (18809560).

Almost surely, 2^137980531 is an apocalyptic number.

137980531 is a deficient number, since it is larger than the sum of its proper divisors (12495949).

137980531 is a wasteful number, since it uses less digits than its factorization.

137980531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134445.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 137980531 is about 11746.5114395722. The cubic root of 137980531 is about 516.7406224115.

The spelling of 137980531 in words is "one hundred thirty-seven million, nine hundred eighty thousand, five hundred thirty-one".