137420464 has 20 divisors (see below), whose sum is σ = 280266040. Its totient is φ = 65093760.

The previous prime is 137420443. The next prime is 137420513. The reversal of 137420464 is 464024731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225717 + ... + 226324.

It is an arithmetic number, because the mean of its divisors is an integer number (14013302).

Almost surely, 2^137420464 is an apocalyptic number.

It is an amenable number.

137420464 is an abundant number, since it is smaller than the sum of its proper divisors (142845576).

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

137420464 is a wasteful number, since it uses less digits than its factorization.

137420464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452068 (or 452062 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 137420464 is about 11722.6474825442. The cubic root of 137420464 is about 516.0405192226.

The spelling of 137420464 in words is "one hundred thirty-seven million, four hundred twenty thousand, four hundred sixty-four".