1356530052 has 12 divisors (see below), whose sum is σ = 3165236816. Its totient is φ = 452176680.

The previous prime is 1356530033. The next prime is 1356530069. The reversal of 1356530052 is 2500356531.

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

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 3 ways as a sum of consecutive naturals, for example, 56522074 + ... + 56522097.

Almost surely, 2^1356530052 is an apocalyptic number.

1356530052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1356530052 is an abundant number, since it is smaller than the sum of its proper divisors (1808706764).

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

1356530052 is a wasteful number, since it uses less digits than its factorization.

1356530052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113044178 (or 113044176 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1356530052 is about 36831.1016940846. The cubic root of 1356530052 is about 1106.9885779462.

Adding to 1356530052 its reverse (2500356531), we get a palindrome (3856886583).

The spelling of 1356530052 in words is "one billion, three hundred fifty-six million, five hundred thirty thousand, fifty-two".