2137578112 has 32 divisors (see below), whose sum is σ = 4261530420. Its totient is φ = 1068017664.

The previous prime is 2137578089. The next prime is 2137578119. The reversal of 2137578112 is 2118757312.

It can be written as a sum of positive squares in 2 ways, for example, as 2125578816 + 11999296 = 46104^2 + 3464^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2137578119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199188 + ... + 209644.

Almost surely, 2^2137578112 is an apocalyptic number.

It is an amenable number.

2137578112 is a deficient number, since it is larger than the sum of its proper divisors (2123952308).

2137578112 is a wasteful number, since it uses less digits than its factorization.

2137578112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12068 (or 12056 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 2137578112 is about 46233.9497771929. The cubic root of 2137578112 is about 1288.1724239673.

The spelling of 2137578112 in words is "two billion, one hundred thirty-seven million, five hundred seventy-eight thousand, one hundred twelve".