2135587256 has 16 divisors (see below), whose sum is σ = 4368246840. Its totient is φ = 970721440.

The previous prime is 2135587253. The next prime is 2135587297. The reversal of 2135587256 is 6527855312.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135587253) 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 3 ways as a sum of consecutive naturals, for example, 12133931 + ... + 12134106.

Almost surely, 2^2135587256 is an apocalyptic number.

It is an amenable number.

2135587256 is an abundant number, since it is smaller than the sum of its proper divisors (2232659584).

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

2135587256 is a wasteful number, since it uses less digits than its factorization.

2135587256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24268054 (or 24268050 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 2135587256 is about 46212.4145225068. The cubic root of 2135587256 is about 1287.7723820732.

The spelling of 2135587256 in words is "two billion, one hundred thirty-five million, five hundred eighty-seven thousand, two hundred fifty-six".