2137156408 has 16 divisors (see below), whose sum is σ = 4115470680. Its totient is φ = 1039697568.

The previous prime is 2137156391. The next prime is 2137156433. The reversal of 2137156408 is 8046517312.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3609766 + ... + 3610357.

Almost surely, 2^2137156408 is an apocalyptic number.

It is an amenable number.

2137156408 is a deficient number, since it is larger than the sum of its proper divisors (1978314272).

2137156408 is a wasteful number, since it uses less digits than its factorization.

2137156408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220166 (or 7220162 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2137156408 is about 46229.3890074269. The cubic root of 2137156408 is about 1288.0877076572.

The spelling of 2137156408 in words is "two billion, one hundred thirty-seven million, one hundred fifty-six thousand, four hundred eight".