193138045 has 8 divisors (see below), whose sum is σ = 231850080. Its totient is φ = 154454160.

The previous prime is 193138031. The next prime is 193138063. The reversal of 193138045 is 540831391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 193138045 - 2⁵ = 193138013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193138045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13530 + ... + 23860.

It is an arithmetic number, because the mean of its divisors is an integer number (28981260).

Almost surely, 2^193138045 is an apocalyptic number.

It is an amenable number.

193138045 is a deficient number, since it is larger than the sum of its proper divisors (38712035).

193138045 is a wasteful number, since it uses less digits than its factorization.

193138045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14075.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 193138045 is about 13897.4114496190. The cubic root of 193138045 is about 578.0374063346.

The spelling of 193138045 in words is "one hundred ninety-three million, one hundred thirty-eight thousand, forty-five".