2140465635 has 64 divisors (see below), whose sum is σ = 4744258560. Its totient is φ = 889539840.

The previous prime is 2140465573. The next prime is 2140465687. The reversal of 2140465635 is 5365640412.

2140465635 is a `hidden beast` number, since 2 + 14 + 0 + 4 + 6 + 5 + 635 = 666.

It is not a de Polignac number, because 2140465635 - 2⁷ = 2140465507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140465635.

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, 92562 + ... + 113351.

It is an arithmetic number, because the mean of its divisors is an integer number (74129040).

Almost surely, 2^2140465635 is an apocalyptic number.

2140465635 is an abundant number, since it is smaller than the sum of its proper divisors (2603792925).

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

2140465635 is a wasteful number, since it uses less digits than its factorization.

2140465635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205945 (or 205939 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2140465635 is about 46265.1665402817. The cubic root of 2140465635 is about 1288.7522006571.

The spelling of 2140465635 in words is "two billion, one hundred forty million, four hundred sixty-five thousand, six hundred thirty-five".