2136908925 has 96 divisors (see below), whose sum is σ = 4215087360. Its totient is φ = 1057536000.

The previous prime is 2136908923. The next prime is 2136908947. The reversal of 2136908925 is 5298096312.

It is not a de Polignac number, because 2136908925 - 2¹ = 2136908923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136908923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 836400 + ... + 838950.

It is an arithmetic number, because the mean of its divisors is an integer number (43907160).

Almost surely, 2^2136908925 is an apocalyptic number.

2136908925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2136908925 is a deficient number, since it is larger than the sum of its proper divisors (2078178435).

2136908925 is a wasteful number, since it uses less digits than its factorization.

2136908925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2136908925 is about 46226.7122451943. The cubic root of 2136908925 is about 1288.0379854945.

The spelling of 2136908925 in words is "two billion, one hundred thirty-six million, nine hundred eight thousand, nine hundred twenty-five".