3940795139 has 8 divisors (see below), whose sum is σ = 4012189632. Its totient is φ = 3869619840.

The previous prime is 3940795087. The next prime is 3940795163. The reversal of 3940795139 is 9315970493.

3940795139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3940795139 - 2²⁸ = 3672359683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940795739) 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, 18299 + ... + 90644.

It is an arithmetic number, because the mean of its divisors is an integer number (501523704).

Almost surely, 2^3940795139 is an apocalyptic number.

3940795139 is a deficient number, since it is larger than the sum of its proper divisors (71394493).

3940795139 is a wasteful number, since it uses less digits than its factorization.

3940795139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109597.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 3940795139 is about 62775.7527951677. The cubic root of 3940795139 is about 1579.5302693529.

The spelling of 3940795139 in words is "three billion, nine hundred forty million, seven hundred ninety-five thousand, one hundred thirty-nine".