840253113 has 12 divisors (see below), whose sum is σ = 1387084608. Its totient is φ = 480144600.

The previous prime is 840253103. The next prime is 840253147. The reversal of 840253113 is 311352048.

It is a happy number.

It is not a de Polignac number, because 840253113 - 2⁵ = 840253081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (840253103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6668613 + ... + 6668738.

It is an arithmetic number, because the mean of its divisors is an integer number (115590384).

Almost surely, 2^840253113 is an apocalyptic number.

It is an amenable number.

840253113 is a deficient number, since it is larger than the sum of its proper divisors (546831495).

840253113 is a wasteful number, since it uses less digits than its factorization.

840253113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13337364 (or 13337361 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 840253113 is about 28987.1197775840. The cubic root of 840253113 is about 943.6335571552.

The spelling of 840253113 in words is "eight hundred forty million, two hundred fifty-three thousand, one hundred thirteen".