1315170400 has 36 divisors (see below), whose sum is σ = 3210661692. Its totient is φ = 526067840.

The previous prime is 1315170397. The next prime is 1315170413. The reversal of 1315170400 is 40715131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 821182 + ... + 822781.

It is an arithmetic number, because the mean of its divisors is an integer number (89185047).

Almost surely, 2^1315170400 is an apocalyptic number.

1315170400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315170400 is an abundant number, since it is smaller than the sum of its proper divisors (1895491292).

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

1315170400 is a wasteful number, since it uses less digits than its factorization.

1315170400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643983 (or 1643970 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1315170400 is about 36265.2781596943. The cubic root of 1315170400 is about 1095.6218259438.

Adding to 1315170400 its reverse (40715131), we get a palindrome (1355885531).

The spelling of 1315170400 in words is "one billion, three hundred fifteen million, one hundred seventy thousand, four hundred".