137572466 has 16 divisors (see below), whose sum is σ = 223828920. Its totient is φ = 63160320.

The previous prime is 137572459. The next prime is 137572469. The reversal of 137572466 is 664275731.

It can be written as a sum of positive squares in 4 ways, for example, as 107640625 + 29931841 = 10375^2 + 5471^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (137572469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47951 + ... + 50738.

Almost surely, 2^137572466 is an apocalyptic number.

137572466 is a deficient number, since it is larger than the sum of its proper divisors (86256454).

137572466 is a wasteful number, since it uses less digits than its factorization.

137572466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98749.

The product of its digits is 211680, while the sum is 41.

The square root of 137572466 is about 11729.1289531661. The cubic root of 137572466 is about 516.2307147867.

The spelling of 137572466 in words is "one hundred thirty-seven million, five hundred seventy-two thousand, four hundred sixty-six".