1315934139 has 16 divisors (see below), whose sum is σ = 1893780000. Its totient is φ = 807991296.

The previous prime is 1315934111. The next prime is 1315934143. The reversal of 1315934139 is 9314395131.

It is not a de Polignac number, because 1315934139 - 2⁹ = 1315933627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1315934097 and 1315934106.

It is not an unprimeable number, because it can be changed into a prime (1315934149) 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, 20064 + ... + 55085.

It is an arithmetic number, because the mean of its divisors is an integer number (118361250).

Almost surely, 2^1315934139 is an apocalyptic number.

1315934139 is a deficient number, since it is larger than the sum of its proper divisors (577845861).

1315934139 is a wasteful number, since it uses less digits than its factorization.

1315934139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75614.

The product of its digits is 43740, while the sum is 39.

The square root of 1315934139 is about 36275.8065244592. The cubic root of 1315934139 is about 1095.8338661973.

The spelling of 1315934139 in words is "one billion, three hundred fifteen million, nine hundred thirty-four thousand, one hundred thirty-nine".