1313439654 has 16 divisors (see below), whose sum is σ = 2628521280. Its totient is φ = 437539560.

The previous prime is 1313439649. The next prime is 1313439689. The reversal of 1313439654 is 4569343131.

It is a happy number.

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, 57892 + ... + 77319.

It is an arithmetic number, because the mean of its divisors is an integer number (164282580).

Almost surely, 2^1313439654 is an apocalyptic number.

1313439654 is an abundant number, since it is smaller than the sum of its proper divisors (1315081626).

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

1313439654 is a wasteful number, since it uses less digits than its factorization.

1313439654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136835.

The product of its digits is 116640, while the sum is 39.

The square root of 1313439654 is about 36241.4080024494. The cubic root of 1313439654 is about 1095.1410072577.

The spelling of 1313439654 in words is "one billion, three hundred thirteen million, four hundred thirty-nine thousand, six hundred fifty-four".