1316693139 has 16 divisors (see below), whose sum is σ = 1770067200. Its totient is φ = 870582816.

The previous prime is 1316693111. The next prime is 1316693143. The reversal of 1316693139 is 9313966131.

1316693139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1316693139 - 2⁵ = 1316693107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316693139.

It is not an unprimeable number, because it can be changed into a prime (1316693149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224952 + ... + 230730.

It is an arithmetic number, because the mean of its divisors is an integer number (110629200).

Almost surely, 2^1316693139 is an apocalyptic number.

1316693139 is a deficient number, since it is larger than the sum of its proper divisors (453374061).

1316693139 is a wasteful number, since it uses less digits than its factorization.

1316693139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394.

The product of its digits is 78732, while the sum is 42.

The square root of 1316693139 is about 36286.2665343240. The cubic root of 1316693139 is about 1096.0445094765.

The spelling of 1316693139 in words is "one billion, three hundred sixteen million, six hundred ninety-three thousand, one hundred thirty-nine".