1313898628 has 24 divisors (see below), whose sum is σ = 2691892224. Its totient is φ = 549364800.

The previous prime is 1313898589. The next prime is 1313898631. The reversal of 1313898628 is 8268983131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571108 + ... + 573403.

It is an arithmetic number, because the mean of its divisors is an integer number (112162176).

Almost surely, 2^1313898628 is an apocalyptic number.

It is an amenable number.

1313898628 is an abundant number, since it is smaller than the sum of its proper divisors (1377993596).

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

1313898628 is a wasteful number, since it uses less digits than its factorization.

1313898628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144563 (or 1144561 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 1313898628 is about 36247.7396260788. The cubic root of 1313898628 is about 1095.2685559959.

The spelling of 1313898628 in words is "one billion, three hundred thirteen million, eight hundred ninety-eight thousand, six hundred twenty-eight".