39204140194 has 16 divisors (see below), whose sum is σ = 58909556160. Its totient is φ = 19567653840.

The previous prime is 39204140179. The next prime is 39204140231. The reversal of 39204140194 is 49104140293.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2836252 + ... + 2850040.

It is an arithmetic number, because the mean of its divisors is an integer number (3681847260).

Almost surely, 2^39204140194 is an apocalyptic number.

39204140194 is a deficient number, since it is larger than the sum of its proper divisors (19705415966).

39204140194 is a wasteful number, since it uses less digits than its factorization.

39204140194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185.

The product of its (nonzero) digits is 31104, while the sum is 37.

Subtracting 39204140194 from its reverse (49104140293), we obtain a palindrome (9900000099).

The spelling of 39204140194 in words is "thirty-nine billion, two hundred four million, one hundred forty thousand, one hundred ninety-four".