1315455800 has 48 divisors (see below), whose sum is σ = 3090010560. Its totient is φ = 520750080.

The previous prime is 1315455749. The next prime is 1315455811. The reversal of 1315455800 is 85545131.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14504 + ... + 53303.

It is an arithmetic number, because the mean of its divisors is an integer number (64375220).

Almost surely, 2^1315455800 is an apocalyptic number.

1315455800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315455800 is an abundant number, since it is smaller than the sum of its proper divisors (1774554760).

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

1315455800 is a wasteful number, since it uses less digits than its factorization.

1315455800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67920 (or 67911 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1315455800 is about 36269.2128395420. The cubic root of 1315455800 is about 1095.7010724184.

The spelling of 1315455800 in words is "one billion, three hundred fifteen million, four hundred fifty-five thousand, eight hundred".