1315377364 has 72 divisors (see below), whose sum is σ = 2737060200. Its totient is φ = 551384064.

The previous prime is 1315377347. The next prime is 1315377403. The reversal of 1315377364 is 4637735131.

It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 1302632464 = 3570^2 + 36092^2 .

It is a congruent number.

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, 2131584 + ... + 2132200.

It is an arithmetic number, because the mean of its divisors is an integer number (38014725).

Almost surely, 2^1315377364 is an apocalyptic number.

1315377364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315377364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368530100).

1315377364 is an abundant number, since it is smaller than the sum of its proper divisors (1421682836).

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

1315377364 is a wasteful number, since it uses less digits than its factorization.

1315377364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 848 counting only the distinct ones).

The product of its digits is 158760, while the sum is 40.

The square root of 1315377364 is about 36268.1315206615. The cubic root of 1315377364 is about 1095.6792943859.

The spelling of 1315377364 in words is "one billion, three hundred fifteen million, three hundred seventy-seven thousand, three hundred sixty-four".