2137109128 has 48 divisors (see below), whose sum is σ = 5085061200. Its totient is φ = 832638240.

The previous prime is 2137109119. The next prime is 2137109131. The reversal of 2137109128 is 8219017312.

It is a junction number, because it is equal to n+sod(n) for n = 2137109093 and 2137109102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243498 + ... + 252121.

It is an arithmetic number, because the mean of its divisors is an integer number (105938775).

Almost surely, 2^2137109128 is an apocalyptic number.

2137109128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2137109128 is an abundant number, since it is smaller than the sum of its proper divisors (2947952072).

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

2137109128 is a wasteful number, since it uses less digits than its factorization.

2137109128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495650 (or 495639 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 2137109128 is about 46228.8776415781. The cubic root of 2137109128 is about 1288.0782088616.

The spelling of 2137109128 in words is "two billion, one hundred thirty-seven million, one hundred nine thousand, one hundred twenty-eight".