137450538 has 24 divisors (see below), whose sum is σ = 298319268. Its totient is φ = 45738432.

The previous prime is 137450527. The next prime is 137450557. The reversal of 137450538 is 835054731.

137450538 is a `hidden beast` number, since 1 + 3 + 74 + 50 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 132641289 + 4809249 = 11517^2 + 2193^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806 + ... + 17262.

Almost surely, 2^137450538 is an apocalyptic number.

137450538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

137450538 is an abundant number, since it is smaller than the sum of its proper divisors (160868730).

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

137450538 is a wasteful number, since it uses less digits than its factorization.

137450538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078 (or 13075 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 137450538 is about 11723.9301430877. The cubic root of 137450538 is about 516.0781610462.

The spelling of 137450538 in words is "one hundred thirty-seven million, four hundred fifty thousand, five hundred thirty-eight".