194142152513 has 8 divisors (see below), whose sum is σ = 204554625120. Its totient is φ = 183749126400.

The previous prime is 194142152443. The next prime is 194142152563. The reversal of 194142152513 is 315251241491.

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

It is a cyclic number.

It is not a de Polignac number, because 194142152513 - 2²⁸ = 193873717057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194142152563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841120 + ... + 4881057.

It is an arithmetic number, because the mean of its divisors is an integer number (25569328140).

Almost surely, 2^194142152513 is an apocalyptic number.

It is an amenable number.

194142152513 is a deficient number, since it is larger than the sum of its proper divisors (10412472607).

194142152513 is a wasteful number, since it uses less digits than its factorization.

194142152513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723247.

The product of its digits is 43200, while the sum is 38.

The spelling of 194142152513 in words is "one hundred ninety-four billion, one hundred forty-two million, one hundred fifty-two thousand, five hundred thirteen".