1313179439 has 8 divisors (see below), whose sum is σ = 1542756432. Its totient is φ = 1101968640.

The previous prime is 1313179423. The next prime is 1313179453. The reversal of 1313179439 is 9349713131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313179439 - 2⁴ = 1313179423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313179396 and 1313179405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313179409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591394 + ... + 4591679.

It is an arithmetic number, because the mean of its divisors is an integer number (192844554).

Almost surely, 2^1313179439 is an apocalyptic number.

1313179439 is a deficient number, since it is larger than the sum of its proper divisors (229576993).

1313179439 is a wasteful number, since it uses less digits than its factorization.

1313179439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183097.

The product of its digits is 61236, while the sum is 41.

The square root of 1313179439 is about 36237.8178012970. The cubic root of 1313179439 is about 1095.0686803874.

The spelling of 1313179439 in words is "one billion, three hundred thirteen million, one hundred seventy-nine thousand, four hundred thirty-nine".