1313494746 has 64 divisors (see below), whose sum is σ = 2757888000. Its totient is φ = 416646720.

The previous prime is 1313494739. The next prime is 1313494771. The reversal of 1313494746 is 6474943131.

It is a junction number, because it is equal to n+sod(n) for n = 1313494698 and 1313494707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2632005 + ... + 2632503.

It is an arithmetic number, because the mean of its divisors is an integer number (43092000).

Almost surely, 2^1313494746 is an apocalyptic number.

1313494746 is an abundant number, since it is smaller than the sum of its proper divisors (1444393254).

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

1313494746 is a wasteful number, since it uses less digits than its factorization.

1313494746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 217728, while the sum is 42.

The square root of 1313494746 is about 36242.1680642867. The cubic root of 1313494746 is about 1095.1563188772.

It can be divided in two parts, 13134 and 94746, that added together give a triangular number (107880 = T₄₆₄).

The spelling of 1313494746 in words is "one billion, three hundred thirteen million, four hundred ninety-four thousand, seven hundred forty-six".