1316979594 has 32 divisors (see below), whose sum is σ = 3344711040. Its totient is φ = 376279776.

The previous prime is 1316979593. The next prime is 1316979607. The reversal of 1316979594 is 4959796131.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1316979594.

It is not an unprimeable number, because it can be changed into a prime (1316979593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741659 + ... + 1742414.

It is an arithmetic number, because the mean of its divisors is an integer number (104522220).

Almost surely, 2^1316979594 is an apocalyptic number.

1316979594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1316979594 is an abundant number, since it is smaller than the sum of its proper divisors (2027731446).

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

1316979594 is a wasteful number, since it uses less digits than its factorization.

1316979594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484091 (or 3484085 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 1316979594 is about 36290.2134741586. The cubic root of 1316979594 is about 1096.1239875404.

The spelling of 1316979594 in words is "one billion, three hundred sixteen million, nine hundred seventy-nine thousand, five hundred ninety-four".