1513640315 has 8 divisors (see below), whose sum is σ = 1981492848. Its totient is φ = 1100829280.

The previous prime is 1513640299. The next prime is 1513640329. The reversal of 1513640315 is 5130463151.

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

It is not a de Polignac number, because 1513640315 - 2⁴ = 1513640299 is a prime.

It is a super-2 number, since 2×1513640315² = 4582214006386598450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13760312 + ... + 13760421.

It is an arithmetic number, because the mean of its divisors is an integer number (247686606).

Almost surely, 2^1513640315 is an apocalyptic number.

1513640315 is a deficient number, since it is larger than the sum of its proper divisors (467852533).

1513640315 is a wasteful number, since it uses less digits than its factorization.

1513640315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27520749.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1513640315 is about 38905.5306479683. The cubic root of 1513640315 is about 1148.1736138562.

The spelling of 1513640315 in words is "one billion, five hundred thirteen million, six hundred forty thousand, three hundred fifteen".