1365879252 has 12 divisors (see below), whose sum is σ = 3187051616. Its totient is φ = 455293080.

The previous prime is 1365879241. The next prime is 1365879253. The reversal of 1365879252 is 2529785631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1365879252² = 3731252262088159008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365879253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56911624 + ... + 56911647.

Almost surely, 2^1365879252 is an apocalyptic number.

1365879252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1365879252 is an abundant number, since it is smaller than the sum of its proper divisors (1821172364).

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

1365879252 is a wasteful number, since it uses less digits than its factorization.

1365879252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113823278 (or 113823276 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 1365879252 is about 36957.8036685082. The cubic root of 1365879252 is about 1109.5258781892.

The spelling of 1365879252 in words is "one billion, three hundred sixty-five million, eight hundred seventy-nine thousand, two hundred fifty-two".