194628725133 has 16 divisors (see below), whose sum is σ = 260328097536. Its totient is φ = 129341076480.

The previous prime is 194628725059. The next prime is 194628725153. The reversal of 194628725133 is 331527826491.

It is not a de Polignac number, because 194628725133 - 2¹² = 194628721037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194628725153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5789413 + ... + 5822933.

It is an arithmetic number, because the mean of its divisors is an integer number (16270506096).

Almost surely, 2^194628725133 is an apocalyptic number.

It is an amenable number.

194628725133 is a deficient number, since it is larger than the sum of its proper divisors (65699372403).

194628725133 is a wasteful number, since it uses less digits than its factorization.

194628725133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39604.

The product of its digits is 2177280, while the sum is 51.

The spelling of 194628725133 in words is "one hundred ninety-four billion, six hundred twenty-eight million, seven hundred twenty-five thousand, one hundred thirty-three".