1356023532 has 12 divisors (see below), whose sum is σ = 3164054936. Its totient is φ = 452007840.

The previous prime is 1356023507. The next prime is 1356023551. The reversal of 1356023532 is 2353206531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1356023532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56500969 + ... + 56500992.

Almost surely, 2^1356023532 is an apocalyptic number.

1356023532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1356023532 is an abundant number, since it is smaller than the sum of its proper divisors (1808031404).

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

1356023532 is a wasteful number, since it uses less digits than its factorization.

1356023532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113001968 (or 113001966 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 1356023532 is about 36824.2247983579. The cubic root of 1356023532 is about 1106.8507798790.

The spelling of 1356023532 in words is "one billion, three hundred fifty-six million, twenty-three thousand, five hundred thirty-two".