1313452782 has 48 divisors (see below), whose sum is σ = 2867875920. Its totient is φ = 434439936.

The previous prime is 1313452757. The next prime is 1313452801. The reversal of 1313452782 is 2872543131.

1313452782 is a `hidden beast` number, since 131 + 3 + 452 + 78 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776969 + ... + 1777707.

It is an arithmetic number, because the mean of its divisors is an integer number (59747415).

Almost surely, 2^1313452782 is an apocalyptic number.

1313452782 is an abundant number, since it is smaller than the sum of its proper divisors (1554423138).

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

1313452782 is a wasteful number, since it uses less digits than its factorization.

1313452782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1374 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1313452782 is about 36241.5891207877. The cubic root of 1313452782 is about 1095.1446559377.

The spelling of 1313452782 in words is "one billion, three hundred thirteen million, four hundred fifty-two thousand, seven hundred eighty-two".