1313555452 has 24 divisors (see below), whose sum is σ = 2526012720. Its totient is φ = 592709760.

The previous prime is 1313555447. The next prime is 1313555459. The reversal of 1313555452 is 2545553131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313555459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102927 + ... + 114982.

It is an arithmetic number, because the mean of its divisors is an integer number (105250530).

Almost surely, 2^1313555452 is an apocalyptic number.

It is an amenable number.

1313555452 is a deficient number, since it is larger than the sum of its proper divisors (1212457268).

1313555452 is a wasteful number, since it uses less digits than its factorization.

1313555452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218061 (or 218059 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 1313555452 is about 36243.0055596939. The cubic root of 1313555452 is about 1095.1731902898.

The spelling of 1313555452 in words is "one billion, three hundred thirteen million, five hundred fifty-five thousand, four hundred fifty-two".