2109929136 has 40 divisors (see below), whose sum is σ = 6229315584. Its totient is φ = 602836800.

The previous prime is 2109929131. The next prime is 2109929153. The reversal of 2109929136 is 6319299012.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2109929131) 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, 3139440 + ... + 3140111.

Almost surely, 2^2109929136 is an apocalyptic number.

It is an amenable number.

2109929136 is an abundant number, since it is smaller than the sum of its proper divisors (4119386448).

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

2109929136 is a wasteful number, since it uses less digits than its factorization.

2109929136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279569 (or 6279563 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 2109929136 is about 45933.9649496971. The cubic root of 2109929136 is about 1282.5942534912.

The spelling of 2109929136 in words is "two billion, one hundred nine million, nine hundred twenty-nine thousand, one hundred thirty-six".