3135661393 has 4 divisors (see below), whose sum is σ = 3135808000. Its totient is φ = 3135514788.

The previous prime is 3135661387. The next prime is 3135661433. The reversal of 3135661393 is 3931665313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3135661393 - 2²⁵ = 3102106961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135661303) 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 3 ways as a sum of consecutive naturals, for example, 34305 + ... + 86302.

It is an arithmetic number, because the mean of its divisors is an integer number (783952000).

Almost surely, 2^3135661393 is an apocalyptic number.

It is an amenable number.

3135661393 is a deficient number, since it is larger than the sum of its proper divisors (146607).

3135661393 is a wasteful number, since it uses less digits than its factorization.

3135661393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146606.

The product of its digits is 131220, while the sum is 40.

The square root of 3135661393 is about 55996.9766416009. The cubic root of 3135661393 is about 1463.6696007130.

The spelling of 3135661393 in words is "three billion, one hundred thirty-five million, six hundred sixty-one thousand, three hundred ninety-three".