193134620028385 has 16 divisors (see below), whose sum is σ = 264879886720896. Its totient is φ = 132430392678528.

The previous prime is 193134620028331. The next prime is 193134620028451. The reversal of 193134620028385 is 583820026431391.

It is not a de Polignac number, because 193134620028385 - 2¹⁹ = 193134619504097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98501607 + ... + 100443196.

It is an arithmetic number, because the mean of its divisors is an integer number (16554992920056).

Almost surely, 2^{193134620028385} is an apocalyptic number.

It is an amenable number.

193134620028385 is a deficient number, since it is larger than the sum of its proper divisors (71745266692511).

193134620028385 is a wasteful number, since it uses less digits than its factorization.

193134620028385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198972552.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 193134620028385 in words is "one hundred ninety-three trillion, one hundred thirty-four billion, six hundred twenty million, twenty-eight thousand, three hundred eighty-five".