3949735190139 has 24 divisors (see below), whose sum is σ = 6012436747200. Its totient is φ = 2491665462000.

The previous prime is 3949735190129. The next prime is 3949735190147. The reversal of 3949735190139 is 9310915379493.

3949735190139 is a `hidden beast` number, since 3 + 9 + 49 + 73 + 519 + 0 + 1 + 3 + 9 = 666.

It is not a de Polignac number, because 3949735190139 - 2¹⁵ = 3949735157371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3949735190129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13297737 + ... + 13591514.

It is an arithmetic number, because the mean of its divisors is an integer number (250518197800).

Almost surely, 2^{3949735190139} is an apocalyptic number.

3949735190139 is a deficient number, since it is larger than the sum of its proper divisors (2062701557061).

3949735190139 is a wasteful number, since it uses less digits than its factorization.

3949735190139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26890135 (or 26890132 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 63.

The spelling of 3949735190139 in words is "three trillion, nine hundred forty-nine billion, seven hundred thirty-five million, one hundred ninety thousand, one hundred thirty-nine".