137472552 has 80 divisors (see below), whose sum is σ = 440072160. Its totient is φ = 39276576.

The previous prime is 137472551. The next prime is 137472553. The reversal of 137472552 is 255274731.

137472552 is a `hidden beast` number, since 1 + 37 + 4 + 72 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (137472551) and next prime (137472553).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (137472551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10618 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (5500902).

Almost surely, 2^137472552 is an apocalyptic number.

137472552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137472552 is an abundant number, since it is smaller than the sum of its proper divisors (302599608).

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

137472552 is a wasteful number, since it uses less digits than its factorization.

137472552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30332 (or 30319 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 137472552 is about 11724.8689544916. The cubic root of 137472552 is about 516.1057111704.

The spelling of 137472552 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, five hundred fifty-two".