1313374457 has 8 divisors (see below), whose sum is σ = 1397840616. Its totient is φ = 1229709312.

The previous prime is 1313374453. The next prime is 1313374501. The reversal of 1313374457 is 7544733131.

It can be written as a sum of positive squares in 4 ways, for example, as 64176121 + 1249198336 = 8011^2 + 35344^2 .

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 1313374457 - 2² = 1313374453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313374457.

It is not an unprimeable number, because it can be changed into a prime (1313374453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 196868 + ... + 203429.

It is an arithmetic number, because the mean of its divisors is an integer number (174730077).

Almost surely, 2^1313374457 is an apocalyptic number.

1313374457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1313374457 is a deficient number, since it is larger than the sum of its proper divisors (84466159).

1313374457 is a wasteful number, since it uses less digits than its factorization.

1313374457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400507.

The product of its digits is 105840, while the sum is 38.

The square root of 1313374457 is about 36240.5085091255. The cubic root of 1313374457 is about 1095.1228866206.

The spelling of 1313374457 in words is "one billion, three hundred thirteen million, three hundred seventy-four thousand, four hundred fifty-seven".