1313144404 has 48 divisors (see below), whose sum is σ = 2704536576. Its totient is φ = 549993600.

The previous prime is 1313144381. The next prime is 1313144461. The reversal of 1313144404 is 4044413131.

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, 385549 + ... + 388939.

It is an arithmetic number, because the mean of its divisors is an integer number (56344512).

Almost surely, 2^1313144404 is an apocalyptic number.

It is an amenable number.

1313144404 is an abundant number, since it is smaller than the sum of its proper divisors (1391392172).

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

1313144404 is a wasteful number, since it uses less digits than its factorization.

1313144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1313144404 is about 36237.3343942404. The cubic root of 1313144404 is about 1095.0589416644.

Adding to 1313144404 its reverse (4044413131), we get a palindrome (5357557535).

The spelling of 1313144404 in words is "one billion, three hundred thirteen million, one hundred forty-four thousand, four hundred four".