194426261136 has 60 divisors (see below), whose sum is σ = 544180630032. Its totient is φ = 64801948608.

The previous prime is 194426261039. The next prime is 194426261149. The reversal of 194426261136 is 631162624491.

194426261136 is a `hidden beast` number, since 1 + 9 + 4 + 4 + 2 + 626 + 1 + 13 + 6 = 666.

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 = 194426261091 and 194426261100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1412695 + ... + 1544201.

Almost surely, 2^194426261136 is an apocalyptic number.

194426261136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194426261136 is an abundant number, since it is smaller than the sum of its proper divisors (349754368896).

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

194426261136 is a wasteful number, since it uses less digits than its factorization.

194426261136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141788 (or 141779 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 194426261136 in words is "one hundred ninety-four billion, four hundred twenty-six million, two hundred sixty-one thousand, one hundred thirty-six".