1315948032 has 240 divisors, whose sum is σ = 4504211712. Its totient is φ = 375736320.

The previous prime is 1315948021. The next prime is 1315948043. The reversal of 1315948032 is 2308495131.

1315948032 is a `hidden beast` number, since 1 + 31 + 594 + 8 + 0 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (1315948021) and next prime (1315948043).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 870157 + ... + 871667.

Almost surely, 2^1315948032 is an apocalyptic number.

1315948032 is a gapful number since it is divisible by the number (12) 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 1315948032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252105856).

1315948032 is an abundant number, since it is smaller than the sum of its proper divisors (3188263680).

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

1315948032 is an frugal number, since it uses more digits than its factorization.

1315948032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1315948032 is about 36275.9980152166. The cubic root of 1315948032 is about 1095.8377226128.

The spelling of 1315948032 in words is "one billion, three hundred fifteen million, nine hundred forty-eight thousand, thirty-two".