194498136 has 144 divisors (see below), whose sum is σ = 635965200. Its totient is φ = 52596864.

The previous prime is 194498111. The next prime is 194498141. The reversal of 194498136 is 631894491.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 194498091 and 194498100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 181410 + ... + 182478.

It is an arithmetic number, because the mean of its divisors is an integer number (4416425).

Almost surely, 2^194498136 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 194498136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317982600).

194498136 is an abundant number, since it is smaller than the sum of its proper divisors (441467064).

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

194498136 is a wasteful number, since it uses less digits than its factorization.

194498136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1100 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 194498136 is about 13946.2588531835. The cubic root of 194498136 is about 579.3910930341.

The spelling of 194498136 in words is "one hundred ninety-four million, four hundred ninety-eight thousand, one hundred thirty-six".