194200940136 has 256 divisors, whose sum is σ = 588643614720. Its totient is φ = 52215552000.

The previous prime is 194200940111. The next prime is 194200940137. The reversal of 194200940136 is 631049002491.

It is a junction number, because it is equal to n+sod(n) for n = 194200940094 and 194200940103.

It is not an unprimeable number, because it can be changed into a prime (194200940137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74092906 + ... + 74095526.

It is an arithmetic number, because the mean of its divisors is an integer number (2299389120).

Almost surely, 2^194200940136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194200940136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294321807360).

194200940136 is an abundant number, since it is smaller than the sum of its proper divisors (394442674584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194200940136 is a wasteful number, since it uses less digits than its factorization.

194200940136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 194200940136 in words is "one hundred ninety-four billion, two hundred million, nine hundred forty thousand, one hundred thirty-six".