1400914263 has 12 divisors (see below), whose sum is σ = 2172846840. Its totient is φ = 800522352.

The previous prime is 1400914259. The next prime is 1400914271. The reversal of 1400914263 is 3624190041.

It is not a de Polignac number, because 1400914263 - 2² = 1400914259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400914263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400914283) 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, 4764868 + ... + 4765161.

It is an arithmetic number, because the mean of its divisors is an integer number (181070570).

Almost surely, 2^1400914263 is an apocalyptic number.

1400914263 is a deficient number, since it is larger than the sum of its proper divisors (771932577).

1400914263 is an equidigital number, since it uses as much as digits as its factorization.

1400914263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530046 (or 9530039 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1400914263 is about 37428.7892270108. The cubic root of 1400914263 is about 1118.9324071646.

The spelling of 1400914263 in words is "one billion, four hundred million, nine hundred fourteen thousand, two hundred sixty-three".