7137985938 has 32 divisors (see below), whose sum is σ = 14636063232. Its totient is φ = 2319408000.

The previous prime is 7137985889. The next prime is 7137985957. The reversal of 7137985938 is 8395897317.

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, 308895 + ... + 331197.

It is an arithmetic number, because the mean of its divisors is an integer number (457376976).

Almost surely, 2^7137985938 is an apocalyptic number.

7137985938 is an abundant number, since it is smaller than the sum of its proper divisors (7498077294).

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

7137985938 is a wasteful number, since it uses less digits than its factorization.

7137985938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23650.

The product of its digits is 11430720, while the sum is 60.

The square root of 7137985938 is about 84486.6021212831. The cubic root of 7137985938 is about 1925.4188946598.

The spelling of 7137985938 in words is "seven billion, one hundred thirty-seven million, nine hundred eighty-five thousand, nine hundred thirty-eight".