1312535039 has 8 divisors (see below), whose sum is σ = 1335745152. Its totient is φ = 1289456280.

The previous prime is 1312535027. The next prime is 1312535083. The reversal of 1312535039 is 9305352131.

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 1312535039 - 2⁴ = 1312535023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312534996 and 1312535014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312535339) 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, 12569 + ... + 52754.

It is an arithmetic number, because the mean of its divisors is an integer number (166968144).

Almost surely, 2^1312535039 is an apocalyptic number.

1312535039 is a deficient number, since it is larger than the sum of its proper divisors (23210113).

1312535039 is an equidigital number, since it uses as much as digits as its factorization.

1312535039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65677.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 1312535039 is about 36228.9254463888. The cubic root of 1312535039 is about 1094.8895279946.

The spelling of 1312535039 in words is "one billion, three hundred twelve million, five hundred thirty-five thousand, thirty-nine".