2137495256 has 32 divisors (see below), whose sum is σ = 4416479760. Its totient is φ = 963591552.

The previous prime is 2137495249. The next prime is 2137495259. The reversal of 2137495256 is 6525947312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137495259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234515 + ... + 243458.

Almost surely, 2^2137495256 is an apocalyptic number.

2137495256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2137495256 is an abundant number, since it is smaller than the sum of its proper divisors (2278984504).

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

2137495256 is a wasteful number, since it uses less digits than its factorization.

2137495256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478035 (or 478031 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 2137495256 is about 46233.0537170107. The cubic root of 2137495256 is about 1288.1557798670.

The spelling of 2137495256 in words is "two billion, one hundred thirty-seven million, four hundred ninety-five thousand, two hundred fifty-six".