2136645324 has 48 divisors (see below), whose sum is σ = 6043040640. Its totient is φ = 647467920.

The previous prime is 2136645299. The next prime is 2136645331. The reversal of 2136645324 is 4235466312.

2136645324 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 645 + 3 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898074 + ... + 900449.

It is an arithmetic number, because the mean of its divisors is an integer number (125896680).

Almost surely, 2^2136645324 is an apocalyptic number.

It is an amenable number.

2136645324 is an abundant number, since it is smaller than the sum of its proper divisors (3906395316).

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

2136645324 is a wasteful number, since it uses less digits than its factorization.

2136645324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798547 (or 1798539 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 2136645324 is about 46223.8609810994. The cubic root of 2136645324 is about 1287.9850208191.

The spelling of 2136645324 in words is "two billion, one hundred thirty-six million, six hundred forty-five thousand, three hundred twenty-four".