1319405316 has 12 divisors (see below), whose sum is σ = 3078612432. Its totient is φ = 439801768.

The previous prime is 1319405303. The next prime is 1319405341. The reversal of 1319405316 is 6135049131.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54975210 + ... + 54975233.

It is an arithmetic number, because the mean of its divisors is an integer number (256551036).

Almost surely, 2^1319405316 is an apocalyptic number.

It is an amenable number.

1319405316 is an abundant number, since it is smaller than the sum of its proper divisors (1759207116).

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

1319405316 is a wasteful number, since it uses less digits than its factorization.

1319405316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109950450 (or 109950448 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1319405316 is about 36323.6192579980. The cubic root of 1319405316 is about 1096.7965520701.

The spelling of 1319405316 in words is "one billion, three hundred nineteen million, four hundred five thousand, three hundred sixteen".