1369518156 has 36 divisors (see below), whose sum is σ = 3581214000. Its totient is φ = 440764128.

The previous prime is 1369518149. The next prime is 1369518169. The reversal of 1369518156 is 6518159631.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1369518156² = 3751159959227280672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654856 + ... + 656943.

Almost surely, 2^1369518156 is an apocalyptic number.

It is an amenable number.

1369518156 is an abundant number, since it is smaller than the sum of its proper divisors (2211695844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369518156 is a wasteful number, since it uses less digits than its factorization.

1369518156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311838 (or 1311833 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 1369518156 is about 37007.0014456724. The cubic root of 1369518156 is about 1110.5103180622.

The spelling of 1369518156 in words is "one billion, three hundred sixty-nine million, five hundred eighteen thousand, one hundred fifty-six".