137506395715 has 16 divisors (see below), whose sum is σ = 177715190016. Its totient is φ = 101534832000.

The previous prime is 137506395707. The next prime is 137506395727. The reversal of 137506395715 is 517593605731.

It is a happy number.

It is not a de Polignac number, because 137506395715 - 2³ = 137506395707 is a prime.

It is a super-2 number, since 2×137506395715² (a number of 23 digits) contains 22 as substring.

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, 774385 + ... + 935245.

It is an arithmetic number, because the mean of its divisors is an integer number (11107199376).

Almost surely, 2^137506395715 is an apocalyptic number.

137506395715 is a deficient number, since it is larger than the sum of its proper divisors (40208794301).

137506395715 is a wasteful number, since it uses less digits than its factorization.

137506395715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174030.

The product of its (nonzero) digits is 2976750, while the sum is 52.

The spelling of 137506395715 in words is "one hundred thirty-seven billion, five hundred six million, three hundred ninety-five thousand, seven hundred fifteen".