1313642630 has 32 divisors (see below), whose sum is σ = 2423265984. Its totient is φ = 512526976.

The previous prime is 1313642623. The next prime is 1313642633. The reversal of 1313642630 is 362463131.

It is a junction number, because it is equal to n+sod(n) for n = 1313642593 and 1313642602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313642633) 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 15 ways as a sum of consecutive naturals, for example, 84527 + ... + 98853.

It is an arithmetic number, because the mean of its divisors is an integer number (75727062).

Almost surely, 2^1313642630 is an apocalyptic number.

1313642630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313642630 is a deficient number, since it is larger than the sum of its proper divisors (1109623354).

1313642630 is a wasteful number, since it uses less digits than its factorization.

1313642630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1313642630 is about 36244.2082269706. The cubic root of 1313642630 is about 1095.1974178918.

The spelling of 1313642630 in words is "one billion, three hundred thirteen million, six hundred forty-two thousand, six hundred thirty".