137772233937 has 40 divisors (see below), whose sum is σ = 221775064896. Its totient is φ = 84730974048.

The previous prime is 137772233909. The next prime is 137772233947. The reversal of 137772233937 is 739332277731.

137772233937 is a `hidden beast` number, since 1 + 377 + 7 + 2 + 233 + 9 + 37 = 666.

It is not a de Polignac number, because 137772233937 - 2¹⁸ = 137771971793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137772233947) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1716108 + ... + 1794594.

Almost surely, 2^137772233937 is an apocalyptic number.

It is an amenable number.

137772233937 is a deficient number, since it is larger than the sum of its proper divisors (84002830959).

137772233937 is a wasteful number, since it uses less digits than its factorization.

137772233937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80179 (or 80170 counting only the distinct ones).

The product of its digits is 7001316, while the sum is 54.

The spelling of 137772233937 in words is "one hundred thirty-seven billion, seven hundred seventy-two million, two hundred thirty-three thousand, nine hundred thirty-seven".