1312575494 has 8 divisors (see below), whose sum is σ = 1969153200. Its totient is φ = 656191096.

The previous prime is 1312575487. The next prime is 1312575553. The reversal of 1312575494 is 4945752131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29954 + ... + 59349.

It is an arithmetic number, because the mean of its divisors is an integer number (246144150).

Almost surely, 2^1312575494 is an apocalyptic number.

1312575494 is a deficient number, since it is larger than the sum of its proper divisors (656577706).

1312575494 is an equidigital number, since it uses as much as digits as its factorization.

1312575494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96654.

The product of its digits is 151200, while the sum is 41.

The square root of 1312575494 is about 36229.4837666782. The cubic root of 1312575494 is about 1094.9007767865.

The spelling of 1312575494 in words is "one billion, three hundred twelve million, five hundred seventy-five thousand, four hundred ninety-four".