179388145939396 has 27 divisors (see below), whose sum is σ = 333482789136679. Its totient is φ = 84417736732928.

The previous prime is 179388145939381. The next prime is 179388145939487. The reversal of 179388145939396 is 693939541883971.

The square root of 179388145939396 is 13393586.

It is a perfect power (a square), and thus also a powerful number.

179388145939396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29239001436100 + 150149144503296 = 5407310^2 + 12253536^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 455184960 + ... + 455578888.

Almost surely, 2^{179388145939396} is an apocalyptic number.

179388145939396 is the 13393586-th square number.

It is an amenable number.

179388145939396 is a deficient number, since it is larger than the sum of its proper divisors (154094643197283).

179388145939396 is an frugal number, since it uses more digits than its factorization.

179388145939396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787896 (or 393948 counting only the distinct ones).

The product of its digits is 9523422720, while the sum is 85.

The spelling of 179388145939396 in words is "one hundred seventy-nine trillion, three hundred eighty-eight billion, one hundred forty-five million, nine hundred thirty-nine thousand, three hundred ninety-six".