2137903872 has 72 divisors (see below), whose sum is σ = 6127658544. Its totient is φ = 657813504.

The previous prime is 2137903861. The next prime is 2137903891. The reversal of 2137903872 is 2783097312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97083 + ... + 117050.

Almost surely, 2^2137903872 is an apocalyptic number.

It is an amenable number.

2137903872 is an abundant number, since it is smaller than the sum of its proper divisors (3989754672).

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

2137903872 is a wasteful number, since it uses less digits than its factorization.

2137903872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214165 (or 214151 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 2137903872 is about 46237.4725952879. The cubic root of 2137903872 is about 1288.2378584156.

The spelling of 2137903872 in words is "two billion, one hundred thirty-seven million, nine hundred three thousand, eight hundred seventy-two".