193134906293 has 4 divisors (see below), whose sum is σ = 220725607200. Its totient is φ = 165544205388.

The previous prime is 193134906287. The next prime is 193134906317. The reversal of 193134906293 is 392609431391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193134906293 - 2¹² = 193134902197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193134906253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13795350443 + ... + 13795350456.

It is an arithmetic number, because the mean of its divisors is an integer number (55181401800).

Almost surely, 2^193134906293 is an apocalyptic number.

It is an amenable number.

193134906293 is a deficient number, since it is larger than the sum of its proper divisors (27590700907).

193134906293 is an equidigital number, since it uses as much as digits as its factorization.

193134906293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27590700906.

The product of its (nonzero) digits is 944784, while the sum is 50.

The spelling of 193134906293 in words is "one hundred ninety-three billion, one hundred thirty-four million, nine hundred six thousand, two hundred ninety-three".