2137730265 has 32 divisors (see below), whose sum is σ = 4145904000. Its totient is φ = 1036474560.

The previous prime is 2137730227. The next prime is 2137730279. The reversal of 2137730265 is 5620377312.

2137730265 is a `hidden beast` number, since 21 + 377 + 3 + 0 + 265 = 666.

It is not a de Polignac number, because 2137730265 - 2¹⁴ = 2137713881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718290 + ... + 721259.

It is an arithmetic number, because the mean of its divisors is an integer number (129559500).

Almost surely, 2^2137730265 is an apocalyptic number.

It is an amenable number.

2137730265 is a deficient number, since it is larger than the sum of its proper divisors (2008173735).

2137730265 is a wasteful number, since it uses less digits than its factorization.

2137730265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439574 (or 1439568 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 2137730265 is about 46235.5952162401. The cubic root of 2137730265 is about 1288.2029873180.

The spelling of 2137730265 in words is "two billion, one hundred thirty-seven million, seven hundred thirty thousand, two hundred sixty-five".