2136892758 has 128 divisors (see below), whose sum is σ = 6076062720. Its totient is φ = 482181120.

The previous prime is 2136892727. The next prime is 2136892777. The reversal of 2136892758 is 8572986312.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136892758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91638 + ... + 112566.

It is an arithmetic number, because the mean of its divisors is an integer number (47469240).

Almost surely, 2^2136892758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136892758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3038031360).

2136892758 is an abundant number, since it is smaller than the sum of its proper divisors (3939169962).

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

2136892758 is a wasteful number, since it uses less digits than its factorization.

2136892758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982.

The product of its digits is 1451520, while the sum is 51.

The square root of 2136892758 is about 46226.5373784366. The cubic root of 2136892758 is about 1288.0347372259.

The spelling of 2136892758 in words is "two billion, one hundred thirty-six million, eight hundred ninety-two thousand, seven hundred fifty-eight".