1315132832 has 48 divisors (see below), whose sum is σ = 2884510440. Its totient is φ = 586048512.

The previous prime is 1315132813. The next prime is 1315132837. The reversal of 1315132832 is 2382315131.

It can be written as a sum of positive squares in 4 ways, for example, as 1109955856 + 205176976 = 33316^2 + 14324^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1315132795 and 1315132804.

It is not an unprimeable number, because it can be changed into a prime (1315132837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42443 + ... + 66570.

Almost surely, 2^1315132832 is an apocalyptic number.

It is an amenable number.

1315132832 is an abundant number, since it is smaller than the sum of its proper divisors (1569377608).

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

1315132832 is a wasteful number, since it uses less digits than its factorization.

1315132832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109065 (or 109057 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1315132832 is about 36264.7601949882. The cubic root of 1315132832 is about 1095.6113936549.

Adding to 1315132832 its reverse (2382315131), we get a palindrome (3697447963).

The spelling of 1315132832 in words is "one billion, three hundred fifteen million, one hundred thirty-two thousand, eight hundred thirty-two".