2257814139 has 16 divisors (see below), whose sum is σ = 3441143040. Its totient is φ = 1289930400.

The previous prime is 2257814131. The next prime is 2257814161. The reversal of 2257814139 is 9314187522.

It is not a de Polignac number, because 2257814139 - 2³ = 2257814131 is a prime.

It is a super-2 number, since 2×2257814139² = 10195449372536622642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2257814139.

It is not an unprimeable number, because it can be changed into a prime (2257814131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202492 + ... + 213350.

It is an arithmetic number, because the mean of its divisors is an integer number (215071440).

Almost surely, 2^2257814139 is an apocalyptic number.

2257814139 is a deficient number, since it is larger than the sum of its proper divisors (1183328901).

2257814139 is a wasteful number, since it uses less digits than its factorization.

2257814139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20770.

The product of its digits is 120960, while the sum is 42.

The square root of 2257814139 is about 47516.4617685282. The cubic root of 2257814139 is about 1311.8858953150.

The spelling of 2257814139 in words is "two billion, two hundred fifty-seven million, eight hundred fourteen thousand, one hundred thirty-nine".