2136753866 has 32 divisors (see below), whose sum is σ = 3623235840. Its totient is φ = 943271472.

The previous prime is 2136753841. The next prime is 2136753869. The reversal of 2136753866 is 6683576312.

It is a self number, because there is not a number n which added to its sum of digits gives 2136753866.

It is not an unprimeable number, because it can be changed into a prime (2136753869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90491 + ... + 111633.

It is an arithmetic number, because the mean of its divisors is an integer number (113226120).

Almost surely, 2^2136753866 is an apocalyptic number.

2136753866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2136753866 is a deficient number, since it is larger than the sum of its proper divisors (1486481974).

2136753866 is a wasteful number, since it uses less digits than its factorization.

2136753866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21207 (or 21181 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 2136753866 is about 46225.0350567742. The cubic root of 2136753866 is about 1288.0068304133.

The spelling of 2136753866 in words is "two billion, one hundred thirty-six million, seven hundred fifty-three thousand, eight hundred sixty-six".