1315130544 has 120 divisors (see below), whose sum is σ = 4529939232. Its totient is φ = 346844160.

The previous prime is 1315130527. The next prime is 1315130561. The reversal of 1315130544 is 4450315131.

It is a happy number.

1315130544 is a `hidden beast` number, since 1 + 315 + 1 + 305 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (1315130527) and next prime (1315130561).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37077 + ... + 63284.

Almost surely, 2^1315130544 is an apocalyptic number.

1315130544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1315130544 is an abundant number, since it is smaller than the sum of its proper divisors (3214808688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315130544 is a wasteful number, since it uses less digits than its factorization.

1315130544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100395 (or 100386 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1315130544 is about 36264.7286491985. The cubic root of 1315130544 is about 1095.6107582919.

Adding to 1315130544 its reverse (4450315131), we get a palindrome (5765445675).

The spelling of 1315130544 in words is "one billion, three hundred fifteen million, one hundred thirty thousand, five hundred forty-four".