1315144259 has 16 divisors (see below), whose sum is σ = 1635953760. Its totient is φ = 1038696960.

The previous prime is 1315144231. The next prime is 1315144339. The reversal of 1315144259 is 9524415131.

It is a cyclic number.

It is not a de Polignac number, because 1315144259 - 2²⁰ = 1314095683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315144559) 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 15 ways as a sum of consecutive naturals, for example, 268064 + ... + 272925.

It is an arithmetic number, because the mean of its divisors is an integer number (102247110).

Almost surely, 2^1315144259 is an apocalyptic number.

1315144259 is a deficient number, since it is larger than the sum of its proper divisors (320809501).

1315144259 is a wasteful number, since it uses less digits than its factorization.

1315144259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541030.

The product of its digits is 21600, while the sum is 35.

The square root of 1315144259 is about 36264.9177442883. The cubic root of 1315144259 is about 1095.6145668490.

The spelling of 1315144259 in words is "one billion, three hundred fifteen million, one hundred forty-four thousand, two hundred fifty-nine".