1369265656 has 16 divisors (see below), whose sum is σ = 2800770840. Its totient is φ = 622393440.

The previous prime is 1369265621. The next prime is 1369265657. The reversal of 1369265656 is 6565629631.

It is a super-2 number, since 2×1369265656² = 3749776873402220672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369265657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7779831 + ... + 7780006.

Almost surely, 2^1369265656 is an apocalyptic number.

It is an amenable number.

1369265656 is an abundant number, since it is smaller than the sum of its proper divisors (1431505184).

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

1369265656 is a wasteful number, since it uses less digits than its factorization.

1369265656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15559854 (or 15559850 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 49.

The square root of 1369265656 is about 37003.5897718046. The cubic root of 1369265656 is about 1110.4420650813.

The spelling of 1369265656 in words is "one billion, three hundred sixty-nine million, two hundred sixty-five thousand, six hundred fifty-six".