39072194125 has 32 divisors (see below), whose sum is σ = 49394977632. Its totient is φ = 30853785600.

The previous prime is 39072194123. The next prime is 39072194257. The reversal of 39072194125 is 52149127093.

It can be written as a sum of positive squares in 16 ways, for example, as 16226173924 + 22846020201 = 127382^2 + 151149^2 .

It is not a de Polignac number, because 39072194125 - 2¹ = 39072194123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39072194123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4809567 + ... + 4817683.

It is an arithmetic number, because the mean of its divisors is an integer number (1543593051).

Almost surely, 2^39072194125 is an apocalyptic number.

It is an amenable number.

39072194125 is a deficient number, since it is larger than the sum of its proper divisors (10322783507).

39072194125 is an equidigital number, since it uses as much as digits as its factorization.

39072194125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626 (or 8616 counting only the distinct ones).

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

The spelling of 39072194125 in words is "thirty-nine billion, seventy-two million, one hundred ninety-four thousand, one hundred twenty-five".