2136001956 has 48 divisors (see below), whose sum is σ = 5471780160. Its totient is φ = 643144320.

The previous prime is 2136001877. The next prime is 2136001961. The reversal of 2136001956 is 6591006312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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, 30811 + ... + 72258.

It is an arithmetic number, because the mean of its divisors is an integer number (113995420).

Almost surely, 2^2136001956 is an apocalyptic number.

It is an amenable number.

2136001956 is an abundant number, since it is smaller than the sum of its proper divisors (3335778204).

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

2136001956 is a wasteful number, since it uses less digits than its factorization.

2136001956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103244 (or 103242 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2136001956 is about 46216.9011942601. The cubic root of 2136001956 is about 1287.8557322371.

The spelling of 2136001956 in words is "two billion, one hundred thirty-six million, one thousand, nine hundred fifty-six".