1400900169 has 16 divisors (see below), whose sum is σ = 1953350784. Its totient is φ = 891369600.

The previous prime is 1400900141. The next prime is 1400900209. The reversal of 1400900169 is 9610090041.

It is not a de Polignac number, because 1400900169 - 2²⁸ = 1132464713 is a prime.

It is a super-2 number, since 2×1400900169² = 3925042567008457122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400900069) 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, 9789 + ... + 53829.

It is an arithmetic number, because the mean of its divisors is an integer number (122084424).

Almost surely, 2^1400900169 is an apocalyptic number.

It is an amenable number.

1400900169 is a deficient number, since it is larger than the sum of its proper divisors (552450615).

1400900169 is a wasteful number, since it uses less digits than its factorization.

1400900169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44528.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1400900169 is about 37428.6009490069. The cubic root of 1400900169 is about 1118.9286547850.

The spelling of 1400900169 in words is "one billion, four hundred million, nine hundred thousand, one hundred sixty-nine".