137372553 has 24 divisors (see below), whose sum is σ = 202168512. Its totient is φ = 89870688.

The previous prime is 137372533. The next prime is 137372567. The reversal of 137372553 is 355273731.

137372553 is a `hidden beast` number, since 1 + 37 + 3 + 72 + 553 = 666.

It is not a de Polignac number, because 137372553 - 2⁹ = 137372041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137372513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128700 + ... + 129762.

It is an arithmetic number, because the mean of its divisors is an integer number (8423688).

Almost surely, 2^137372553 is an apocalyptic number.

It is an amenable number.

137372553 is a deficient number, since it is larger than the sum of its proper divisors (64795959).

137372553 is a wasteful number, since it uses less digits than its factorization.

137372553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1322 counting only the distinct ones).

The product of its digits is 66150, while the sum is 36.

The square root of 137372553 is about 11720.6037813758. The cubic root of 137372553 is about 515.9805405497.

It can be divided in two parts, 13737 and 2553, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 137372553 in words is "one hundred thirty-seven million, three hundred seventy-two thousand, five hundred fifty-three".