137825215 has 16 divisors (see below), whose sum is σ = 180786816. Its totient is φ = 100036000.

The previous prime is 137825209. The next prime is 137825251. The reversal of 137825215 is 512528731.

It is not a de Polignac number, because 137825215 - 2⁷ = 137825087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28740 + ... + 33190.

It is an arithmetic number, because the mean of its divisors is an integer number (11299176).

Almost surely, 2^137825215 is an apocalyptic number.

137825215 is a deficient number, since it is larger than the sum of its proper divisors (42961601).

137825215 is a wasteful number, since it uses less digits than its factorization.

137825215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030.

The product of its digits is 16800, while the sum is 34.

The square root of 137825215 is about 11739.8984237514. The cubic root of 137825215 is about 516.5466621511.

The spelling of 137825215 in words is "one hundred thirty-seven million, eight hundred twenty-five thousand, two hundred fifteen".