1313140039 has 4 divisors (see below), whose sum is σ = 1358420760. Its totient is φ = 1267859320.

The previous prime is 1313140019. The next prime is 1313140043. The reversal of 1313140039 is 9300413131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9300413131 = 27017 ⋅344243.

It is a cyclic number.

It is not a de Polignac number, because 1313140039 - 2²⁹ = 776269127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313139995 and 1313140022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313140009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22640317 + ... + 22640374.

It is an arithmetic number, because the mean of its divisors is an integer number (339605190).

Almost surely, 2^1313140039 is an apocalyptic number.

1313140039 is a deficient number, since it is larger than the sum of its proper divisors (45280721).

1313140039 is an equidigital number, since it uses as much as digits as its factorization.

1313140039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45280720.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1313140039 is about 36237.2741662504. The cubic root of 1313140039 is about 1095.0577283077.

The spelling of 1313140039 in words is "one billion, three hundred thirteen million, one hundred forty thousand, thirty-nine".