1313426634 has 32 divisors (see below), whose sum is σ = 2851215360. Its totient is φ = 400946112.

The previous prime is 1313426627. The next prime is 1313426659. The reversal of 1313426634 is 4366243131.

It is a junction number, because it is equal to n+sod(n) for n = 1313426595 and 1313426604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56389 + ... + 76200.

It is an arithmetic number, because the mean of its divisors is an integer number (89100480).

Almost surely, 2^1313426634 is an apocalyptic number.

1313426634 is an abundant number, since it is smaller than the sum of its proper divisors (1537788726).

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

1313426634 is a wasteful number, since it uses less digits than its factorization.

1313426634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132734.

The product of its digits is 31104, while the sum is 33.

The square root of 1313426634 is about 36241.2283732216. The cubic root of 1313426634 is about 1095.1373885702.

Adding to 1313426634 its reverse (4366243131), we get a palindrome (5679669765).

The spelling of 1313426634 in words is "one billion, three hundred thirteen million, four hundred twenty-six thousand, six hundred thirty-four".