1365692868 has 72 divisors (see below), whose sum is σ = 3646042400. Its totient is φ = 429826176.

The previous prime is 1365692863. The next prime is 1365692869. The reversal of 1365692868 is 8682965631.

It is a happy number.

1365692868 is a `hidden beast` number, since 13 + 6 + 569 + 2 + 8 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (1365692863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210903 + ... + 217281.

Almost surely, 2^1365692868 is an apocalyptic number.

1365692868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1365692868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823021200).

1365692868 is an abundant number, since it is smaller than the sum of its proper divisors (2280349532).

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

1365692868 is a wasteful number, since it uses less digits than its factorization.

1365692868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6716 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 1365692868 is about 36955.2820040654. The cubic root of 1365692868 is about 1109.4754083111.

The spelling of 1365692868 in words is "one billion, three hundred sixty-five million, six hundred ninety-two thousand, eight hundred sixty-eight".