2136197574 has 48 divisors (see below), whose sum is σ = 5313005568. Its totient is φ = 607645296.

The previous prime is 2136197573. The next prime is 2136197579. The reversal of 2136197574 is 4757916312.

2136197574 is a `hidden beast` number, since 2 + 13 + 61 + 9 + 7 + 574 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136197573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8742 + ... + 65945.

It is an arithmetic number, because the mean of its divisors is an integer number (110687616).

Almost surely, 2^2136197574 is an apocalyptic number.

2136197574 is an abundant number, since it is smaller than the sum of its proper divisors (3176807994).

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

2136197574 is a wasteful number, since it uses less digits than its factorization.

2136197574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74929 (or 74926 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 2136197574 is about 46219.0174495304. The cubic root of 2136197574 is about 1287.8950455707.

The spelling of 2136197574 in words is "two billion, one hundred thirty-six million, one hundred ninety-seven thousand, five hundred seventy-four".