2136662765 has 32 divisors (see below), whose sum is σ = 2864833920. Its totient is φ = 1520308224.

The previous prime is 2136662761. The next prime is 2136662771. The reversal of 2136662765 is 5672666312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2136662765 - 2² = 2136662761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136662761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752789 + ... + 755621.

It is an arithmetic number, because the mean of its divisors is an integer number (89526060).

Almost surely, 2^2136662765 is an apocalyptic number.

It is an amenable number.

2136662765 is a deficient number, since it is larger than the sum of its proper divisors (728171155).

2136662765 is a wasteful number, since it uses less digits than its factorization.

2136662765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341.

The product of its digits is 544320, while the sum is 44.

The square root of 2136662765 is about 46224.0496386892. The cubic root of 2136662765 is about 1287.9885253292.

The spelling of 2136662765 in words is "two billion, one hundred thirty-six million, six hundred sixty-two thousand, seven hundred sixty-five".