3135706891 has 8 divisors (see below), whose sum is σ = 3191701968. Its totient is φ = 3079860000.

The previous prime is 3135706853. The next prime is 3135706901. The reversal of 3135706891 is 1986075313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3135706891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135706841) 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, 6096 + ... + 79426.

It is an arithmetic number, because the mean of its divisors is an integer number (398962746).

Almost surely, 2^3135706891 is an apocalyptic number.

3135706891 is a deficient number, since it is larger than the sum of its proper divisors (55995077).

3135706891 is an equidigital number, since it uses as much as digits as its factorization.

3135706891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74093.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 3135706891 is about 55997.3828942032. The cubic root of 3135706891 is about 1463.6766798912.

The spelling of 3135706891 in words is "three billion, one hundred thirty-five million, seven hundred six thousand, eight hundred ninety-one".