1315458961 has 8 divisors (see below), whose sum is σ = 1355859648. Its totient is φ = 1275666000.

The previous prime is 1315458959. The next prime is 1315458973. The reversal of 1315458961 is 1698545131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315458961 - 2¹ = 1315458959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315458931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147535 + ... + 156196.

It is an arithmetic number, because the mean of its divisors is an integer number (169482456).

Almost surely, 2^1315458961 is an apocalyptic number.

It is an amenable number.

1315458961 is a deficient number, since it is larger than the sum of its proper divisors (40400687).

1315458961 is an equidigital number, since it uses as much as digits as its factorization.

1315458961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303863.

The product of its digits is 129600, while the sum is 43.

The square root of 1315458961 is about 36269.2564164197. The cubic root of 1315458961 is about 1095.7019500631.

The spelling of 1315458961 in words is "one billion, three hundred fifteen million, four hundred fifty-eight thousand, nine hundred sixty-one".