2139235002 has 16 divisors (see below), whose sum is σ = 4753855680. Its totient is φ = 713078316.

The previous prime is 2139234971. The next prime is 2139235009. The reversal of 2139235002 is 2005329312.

2139235002 is a `hidden beast` number, since 2 + 139 + 23 + 500 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2139235009) 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, 19807678 + ... + 19807785.

It is an arithmetic number, because the mean of its divisors is an integer number (297115980).

Almost surely, 2^2139235002 is an apocalyptic number.

2139235002 is an abundant number, since it is smaller than the sum of its proper divisors (2614620678).

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

2139235002 is a wasteful number, since it uses less digits than its factorization.

2139235002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39615474 (or 39615468 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2139235002 is about 46251.8648488901. The cubic root of 2139235002 is about 1288.5051695120.

The spelling of 2139235002 in words is "two billion, one hundred thirty-nine million, two hundred thirty-five thousand, two".