2087256136 has 48 divisors (see below), whose sum is σ = 4675635900. Its totient is φ = 870355584.

The previous prime is 2087256131. The next prime is 2087256161. The reversal of 2087256136 is 6316527802.

It can be written as a sum of positive squares in 2 ways, for example, as 2051184100 + 36072036 = 45290^2 + 6006^2 .

It is not an unprimeable number, because it can be changed into a prime (2087256131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57451 + ... + 86458.

Almost surely, 2^2087256136 is an apocalyptic number.

It is an amenable number.

2087256136 is an abundant number, since it is smaller than the sum of its proper divisors (2588379764).

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

2087256136 is a wasteful number, since it uses less digits than its factorization.

2087256136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143966 (or 143955 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2087256136 is about 45686.4983994177. The cubic root of 2087256136 is about 1277.9835062277.

The spelling of 2087256136 in words is "two billion, eighty-seven million, two hundred fifty-six thousand, one hundred thirty-six".