194470129 has 16 divisors (see below), whose sum is σ = 232646400. Its totient is φ = 158938560.

The previous prime is 194470121. The next prime is 194470151. The reversal of 194470129 is 921074491.

It is a cyclic number.

It is not a de Polignac number, because 194470129 - 2³ = 194470121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194470121) 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, 54459 + ... + 57919.

It is an arithmetic number, because the mean of its divisors is an integer number (14540400).

Almost surely, 2^194470129 is an apocalyptic number.

It is an amenable number.

194470129 is a deficient number, since it is larger than the sum of its proper divisors (38176271).

194470129 is a wasteful number, since it uses less digits than its factorization.

194470129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 194470129 is about 13945.2547126254. The cubic root of 194470129 is about 579.3632816531.

The spelling of 194470129 in words is "one hundred ninety-four million, four hundred seventy thousand, one hundred twenty-nine".