1315380546 has 20 divisors (see below), whose sum is σ = 2947427142. Its totient is φ = 438460128.

The previous prime is 1315380461. The next prime is 1315380569. The reversal of 1315380546 is 6450835131.

1315380546 is a `hidden beast` number, since 1 + 31 + 5 + 3 + 80 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 933608025 + 381772521 = 30555^2 + 19539^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1315380546.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4059655 + ... + 4059978.

Almost surely, 2^1315380546 is an apocalyptic number.

1315380546 is an abundant number, since it is smaller than the sum of its proper divisors (1632046596).

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

1315380546 is an equidigital number, since it uses as much as digits as its factorization.

1315380546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119647 (or 8119638 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1315380546 is about 36268.1753883484. The cubic root of 1315380546 is about 1095.6801778963.

The spelling of 1315380546 in words is "one billion, three hundred fifteen million, three hundred eighty thousand, five hundred forty-six".