1313969948 has 24 divisors (see below), whose sum is σ = 2313222912. Its totient is φ = 653059584.

The previous prime is 1313969939. The next prime is 1313969953. The reversal of 1313969948 is 8499693131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313969948.

It is a congruent number.

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, 1012436 + ... + 1013732.

It is an arithmetic number, because the mean of its divisors is an integer number (96384288).

Almost surely, 2^1313969948 is an apocalyptic number.

It is an amenable number.

1313969948 is a deficient number, since it is larger than the sum of its proper divisors (999252964).

1313969948 is a wasteful number, since it uses less digits than its factorization.

1313969948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 53.

The square root of 1313969948 is about 36248.7233982109. The cubic root of 1313969948 is about 1095.2883731361.

The spelling of 1313969948 in words is "one billion, three hundred thirteen million, nine hundred sixty-nine thousand, nine hundred forty-eight".