1313532000 has 576 divisors, whose sum is σ = 5298628608. Its totient is φ = 305280000.

The previous prime is 1313531981. The next prime is 1313532007. The reversal of 1313532000 is 2353131.

1313532000 is a `hidden beast` number, since 131 + 3 + 532 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313532007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12275947 + ... + 12276053.

It is an arithmetic number, because the mean of its divisors is an integer number (9199008).

Almost surely, 2^1313532000 is an apocalyptic number.

1313532000 is a gapful number since it is divisible by the number (10) 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 1313532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649314304).

1313532000 is an abundant number, since it is smaller than the sum of its proper divisors (3985096608).

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

1313532000 is a wasteful number, since it uses less digits than its factorization.

1313532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1313532000 is about 36242.6820199609. The cubic root of 1313532000 is about 1095.1666725712.

Adding to 1313532000 its reverse (2353131), we get a palindrome (1315885131).

The spelling of 1313532000 in words is "one billion, three hundred thirteen million, five hundred thirty-two thousand".