1365431052 has 12 divisors (see below), whose sum is σ = 3186005816. Its totient is φ = 455143680.

The previous prime is 1365431051. The next prime is 1365431057. The reversal of 1365431052 is 2501345631.

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

It is not an unprimeable number, because it can be changed into a prime (1365431051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56892949 + ... + 56892972.

Almost surely, 2^1365431052 is an apocalyptic number.

1365431052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1365431052 is an abundant number, since it is smaller than the sum of its proper divisors (1820574764).

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

1365431052 is a wasteful number, since it uses less digits than its factorization.

1365431052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113785928 (or 113785926 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1365431052 is about 36951.7394989735. The cubic root of 1365431052 is about 1109.4045048684.

Adding to 1365431052 its reverse (2501345631), we get a palindrome (3866776683).

The spelling of 1365431052 in words is "one billion, three hundred sixty-five million, four hundred thirty-one thousand, fifty-two".