1313782074 has 24 divisors (see below), whose sum is σ = 3105303552. Its totient is φ = 398115720.

The previous prime is 1313782069. The next prime is 1313782079. The reversal of 1313782074 is 4702873131.

It is an interprime number because it is at equal distance from previous prime (1313782069) and next prime (1313782079).

It is not an unprimeable number, because it can be changed into a prime (1313782079) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3317434 + ... + 3317829.

It is an arithmetic number, because the mean of its divisors is an integer number (129387648).

Almost surely, 2^1313782074 is an apocalyptic number.

1313782074 is an abundant number, since it is smaller than the sum of its proper divisors (1791521478).

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

1313782074 is a wasteful number, since it uses less digits than its factorization.

1313782074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635282 (or 6635279 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1313782074 is about 36246.1318487918. The cubic root of 1313782074 is about 1095.2361684880.

It can be divided in two parts, 1313 and 782074, that added together give a palindrome (783387).

The spelling of 1313782074 in words is "one billion, three hundred thirteen million, seven hundred eighty-two thousand, seventy-four".