2136305268 has 36 divisors (see below), whose sum is σ = 5402819968. Its totient is φ = 711743760.

The previous prime is 2136305257. The next prime is 2136305273. The reversal of 2136305268 is 8625036312.

It is a happy number.

2136305268 is a `hidden beast` number, since 2 + 13 + 630 + 5 + 2 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63303 + ... + 90993.

Almost surely, 2^2136305268 is an apocalyptic number.

It is an amenable number.

2136305268 is an abundant number, since it is smaller than the sum of its proper divisors (3266514700).

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

2136305268 is a wasteful number, since it uses less digits than its factorization.

2136305268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844 (or 29839 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2136305268 is about 46220.1824747588. The cubic root of 2136305268 is about 1287.9166878008.

The spelling of 2136305268 in words is "two billion, one hundred thirty-six million, three hundred five thousand, two hundred sixty-eight".