1315136555 has 8 divisors (see below), whose sum is σ = 1578594192. Its totient is φ = 1051822368.

The previous prime is 1315136551. The next prime is 1315136587. The reversal of 1315136555 is 5556315131.

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 1315136555 - 2² = 1315136551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315136551) 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, 14537 + ... + 53306.

It is an arithmetic number, because the mean of its divisors is an integer number (197324274).

Almost surely, 2^1315136555 is an apocalyptic number.

1315136555 is a deficient number, since it is larger than the sum of its proper divisors (263457637).

1315136555 is an equidigital number, since it uses as much as digits as its factorization.

1315136555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71725.

The product of its digits is 33750, while the sum is 35.

The square root of 1315136555 is about 36264.8115257752. The cubic root of 1315136555 is about 1095.6124275067.

The spelling of 1315136555 in words is "one billion, three hundred fifteen million, one hundred thirty-six thousand, five hundred fifty-five".