1313402156 has 12 divisors (see below), whose sum is σ = 2507404200. Its totient is φ = 597000960.

The previous prime is 1313402137. The next prime is 1313402161. The reversal of 1313402156 is 6512043131.

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, 14924981 + ... + 14925068.

It is an arithmetic number, because the mean of its divisors is an integer number (208950350).

Almost surely, 2^1313402156 is an apocalyptic number.

It is an amenable number.

1313402156 is a deficient number, since it is larger than the sum of its proper divisors (1194002044).

1313402156 is a wasteful number, since it uses less digits than its factorization.

1313402156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850064 (or 29850062 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1313402156 is about 36240.8906623444. The cubic root of 1313402156 is about 1095.1305852617.

Adding to 1313402156 its reverse (6512043131), we get a palindrome (7825445287).

The spelling of 1313402156 in words is "one billion, three hundred thirteen million, four hundred two thousand, one hundred fifty-six".