1390696268 has 36 divisors (see below), whose sum is σ = 2653207200. Its totient is φ = 637505856.

The previous prime is 1390696213. The next prime is 1390696273. The reversal of 1390696268 is 8626960931.

It is a super-2 number, since 2×1390696268² = 3868072219658255648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93821 + ... + 107627.

It is an arithmetic number, because the mean of its divisors is an integer number (73700200).

Almost surely, 2^1390696268 is an apocalyptic number.

It is an amenable number.

1390696268 is a deficient number, since it is larger than the sum of its proper divisors (1262510932).

1390696268 is a wasteful number, since it uses less digits than its factorization.

1390696268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 1390696268 is about 37292.0402767132. The cubic root of 1390696268 is about 1116.2053413429.

The spelling of 1390696268 in words is "one billion, three hundred ninety million, six hundred ninety-six thousand, two hundred sixty-eight".