2140855074 has 24 divisors (see below), whose sum is σ = 4639620492. Its totient is φ = 713448960.

The previous prime is 2140855069. The next prime is 2140855099. The reversal of 2140855074 is 4705580412.

2140855074 is a `hidden beast` number, since 2 + 140 + 8 + 5 + 507 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2133054225 + 7800849 = 46185^2 + 2793^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81214 + ... + 104294.

Almost surely, 2^2140855074 is an apocalyptic number.

2140855074 is an abundant number, since it is smaller than the sum of its proper divisors (2498765418).

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

2140855074 is a wasteful number, since it uses less digits than its factorization.

2140855074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242 (or 28239 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2140855074 is about 46269.3751200511. The cubic root of 2140855074 is about 1288.8303549809.

The spelling of 2140855074 in words is "two billion, one hundred forty million, eight hundred fifty-five thousand, seventy-four".