194352043435135 has 4 divisors (see below), whose sum is σ = 233222452122168. Its totient is φ = 155481634748104.

The previous prime is 194352043435111. The next prime is 194352043435189. The reversal of 194352043435135 is 531534340253491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194352043435135 - 2¹³ = 194352043426943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19435204343509 + ... + 19435204343518.

It is an arithmetic number, because the mean of its divisors is an integer number (58305613030542).

Almost surely, 2^{194352043435135} is an apocalyptic number.

194352043435135 is a deficient number, since it is larger than the sum of its proper divisors (38870408687033).

194352043435135 is an equidigital number, since it uses as much as digits as its factorization.

194352043435135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38870408687032.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 194352043435135 in words is "one hundred ninety-four trillion, three hundred fifty-two billion, forty-three million, four hundred thirty-five thousand, one hundred thirty-five".