2131202139 has 16 divisors (see below), whose sum is σ = 3128906880. Its totient is φ = 1279564160.

The previous prime is 2131202107. The next prime is 2131202153. The reversal of 2131202139 is 9312021312.

It is a cyclic number.

It is not a de Polignac number, because 2131202139 - 2⁵ = 2131202107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131202159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 298254 + ... + 305315.

It is an arithmetic number, because the mean of its divisors is an integer number (195556680).

Almost surely, 2^2131202139 is an apocalyptic number.

2131202139 is a deficient number, since it is larger than the sum of its proper divisors (997704741).

2131202139 is a wasteful number, since it uses less digits than its factorization.

2131202139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603690.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2131202139 is about 46164.9449149460. The cubic root of 2131202139 is about 1286.8903604992.

The spelling of 2131202139 in words is "two billion, one hundred thirty-one million, two hundred two thousand, one hundred thirty-nine".