2136769494 has 32 divisors (see below), whose sum is σ = 4386130560. Its totient is φ = 693730752.

The previous prime is 2136769493. The next prime is 2136769501. The reversal of 2136769494 is 4949676312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136769493) 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 15 ways as a sum of consecutive naturals, for example, 5917 + ... + 65639.

It is an arithmetic number, because the mean of its divisors is an integer number (137066580).

Almost surely, 2^2136769494 is an apocalyptic number.

2136769494 is an abundant number, since it is smaller than the sum of its proper divisors (2249361066).

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

2136769494 is a wasteful number, since it uses less digits than its factorization.

2136769494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59884.

The product of its digits is 1959552, while the sum is 51.

The square root of 2136769494 is about 46225.2040990627. The cubic root of 2136769494 is about 1288.0099705226.

The spelling of 2136769494 in words is "two billion, one hundred thirty-six million, seven hundred sixty-nine thousand, four hundred ninety-four".