2136731204 has 12 divisors (see below), whose sum is σ = 3840341484. Its totient is φ = 1039490784.

The previous prime is 2136731183. The next prime is 2136731231. The reversal of 2136731204 is 4021376312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2050278400 + 86452804 = 45280^2 + 9298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7218539 + ... + 7218834.

It is an arithmetic number, because the mean of its divisors is an integer number (320028457).

Almost surely, 2^2136731204 is an apocalyptic number.

It is an amenable number.

2136731204 is a deficient number, since it is larger than the sum of its proper divisors (1703610280).

2136731204 is a wasteful number, since it uses less digits than its factorization.

2136731204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437414 (or 14437412 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2136731204 is about 46224.7899292144. The cubic root of 2136731204 is about 1288.0022769465.

The spelling of 2136731204 in words is "two billion, one hundred thirty-six million, seven hundred thirty-one thousand, two hundred four".