1315132415 has 16 divisors (see below), whose sum is σ = 1595626560. Its totient is φ = 1040497920.

The previous prime is 1315132381. The next prime is 1315132417. The reversal of 1315132415 is 5142315131.

It is a de Polignac number, because none of the positive numbers 2^k-1315132415 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315132417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334310 + ... + 338220.

It is an arithmetic number, because the mean of its divisors is an integer number (99726660).

Almost surely, 2^1315132415 is an apocalyptic number.

1315132415 is a deficient number, since it is larger than the sum of its proper divisors (280494145).

1315132415 is a wasteful number, since it uses less digits than its factorization.

1315132415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642.

The product of its digits is 1800, while the sum is 26.

The square root of 1315132415 is about 36264.7544456046. The cubic root of 1315132415 is about 1095.6112778567.

Adding to 1315132415 its reverse (5142315131), we get a palindrome (6457447546).

The spelling of 1315132415 in words is "one billion, three hundred fifteen million, one hundred thirty-two thousand, four hundred fifteen".