1315535200 has 72 divisors (see below), whose sum is σ = 3670358832. Its totient is φ = 451038720.

The previous prime is 1315535183. The next prime is 1315535231. The reversal of 1315535200 is 25355131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111859 + ... + 123058.

It is an arithmetic number, because the mean of its divisors is an integer number (50977206).

Almost surely, 2^1315535200 is an apocalyptic number.

1315535200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315535200 is an abundant number, since it is smaller than the sum of its proper divisors (2354823632).

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

1315535200 is a wasteful number, since it uses less digits than its factorization.

1315535200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234944 (or 234931 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1315535200 is about 36270.3074152950. The cubic root of 1315535200 is about 1095.7231172273.

The spelling of 1315535200 in words is "one billion, three hundred fifteen million, five hundred thirty-five thousand, two hundred".