1315680398 has 8 divisors (see below), whose sum is σ = 1973740608. Its totient is φ = 657766864.

The previous prime is 1315680361. The next prime is 1315680419. The reversal of 1315680398 is 8930865131.

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, 10511 + ... + 52362.

It is an arithmetic number, because the mean of its divisors is an integer number (246717576).

Almost surely, 2^1315680398 is an apocalyptic number.

1315680398 is a deficient number, since it is larger than the sum of its proper divisors (658060210).

1315680398 is a wasteful number, since it uses less digits than its factorization.

1315680398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73338.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1315680398 is about 36272.3089697913. The cubic root of 1315680398 is about 1095.7634280585.

The spelling of 1315680398 in words is "one billion, three hundred fifteen million, six hundred eighty thousand, three hundred ninety-eight".