1316402456 has 16 divisors (see below), whose sum is σ = 2469179040. Its totient is φ = 657954720.

The previous prime is 1316402443. The next prime is 1316402467. The reversal of 1316402456 is 6542046131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040 + ... + 51791.

It is an arithmetic number, because the mean of its divisors is an integer number (154323690).

Almost surely, 2^1316402456 is an apocalyptic number.

It is an amenable number.

1316402456 is a deficient number, since it is larger than the sum of its proper divisors (1152776584).

1316402456 is a wasteful number, since it uses less digits than its factorization.

1316402456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61634 (or 61630 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1316402456 is about 36282.2608997841. The cubic root of 1316402456 is about 1095.9638465528.

Adding to 1316402456 its reverse (6542046131), we get a palindrome (7858448587).

The spelling of 1316402456 in words is "one billion, three hundred sixteen million, four hundred two thousand, four hundred fifty-six".