194427132 has 24 divisors (see below), whose sum is σ = 457906176. Its totient is φ = 64202928.

The previous prime is 194427061. The next prime is 194427151. The reversal of 194427132 is 231724491.

It is a super-3 number, since 3×194427132³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194427093 and 194427102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 74428 + ... + 76995.

It is an arithmetic number, because the mean of its divisors is an integer number (19079424).

Almost surely, 2^194427132 is an apocalyptic number.

194427132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194427132 is an abundant number, since it is smaller than the sum of its proper divisors (263479044).

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

194427132 is a wasteful number, since it uses less digits than its factorization.

194427132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151537 (or 151535 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 194427132 is about 13943.7129918828. The cubic root of 194427132 is about 579.3205797751.

The spelling of 194427132 in words is "one hundred ninety-four million, four hundred twenty-seven thousand, one hundred thirty-two".