1313210140 has 48 divisors (see below), whose sum is σ = 3049693920. Its totient is φ = 470983680.

The previous prime is 1313210111. The next prime is 1313210167. The reversal of 1313210140 is 410123131.

It is a congruent number.

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, 24825 + ... + 56944.

It is an arithmetic number, because the mean of its divisors is an integer number (63535290).

Almost surely, 2^1313210140 is an apocalyptic number.

1313210140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313210140 is an abundant number, since it is smaller than the sum of its proper divisors (1736483780).

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

1313210140 is a wasteful number, since it uses less digits than its factorization.

1313210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81862 (or 81860 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1313210140 is about 36238.2414032469. The cubic root of 1313210140 is about 1095.0772142405.

Adding to 1313210140 its reverse (410123131), we get a palindrome (1723333271).

The spelling of 1313210140 in words is "one billion, three hundred thirteen million, two hundred ten thousand, one hundred forty".