3136668361 has 4 divisors (see below), whose sum is σ = 3142240272. Its totient is φ = 3131096452.

The previous prime is 3136668349. The next prime is 3136668407. The reversal of 3136668361 is 1638666313.

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 3136668361 - 2¹³ = 3136660169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3136668331) 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, 2785111 + ... + 2786236.

It is an arithmetic number, because the mean of its divisors is an integer number (785560068).

Almost surely, 2^3136668361 is an apocalyptic number.

It is an amenable number.

3136668361 is a deficient number, since it is larger than the sum of its proper divisors (5571911).

3136668361 is an equidigital number, since it uses as much as digits as its factorization.

3136668361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571910.

The product of its digits is 279936, while the sum is 43.

The square root of 3136668361 is about 56005.9671910056. The cubic root of 3136668361 is about 1463.8262620489.

The spelling of 3136668361 in words is "three billion, one hundred thirty-six million, six hundred sixty-eight thousand, three hundred sixty-one".