185034189 has 16 divisors (see below), whose sum is σ = 253330560. Its totient is φ = 120061440.

The previous prime is 185034169. The next prime is 185034191. The reversal of 185034189 is 981430581.

It is not a de Polignac number, because 185034189 - 2⁹ = 185033677 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185034139) 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, 58357 + ... + 61445.

It is an arithmetic number, because the mean of its divisors is an integer number (15833160).

Almost surely, 2^185034189 is an apocalyptic number.

It is an amenable number.

185034189 is a deficient number, since it is larger than the sum of its proper divisors (68296371).

185034189 is a wasteful number, since it uses less digits than its factorization.

185034189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 185034189 is about 13602.7272633101. The cubic root of 185034189 is about 569.8370201935.

The spelling of 185034189 in words is "one hundred eighty-five million, thirty-four thousand, one hundred eighty-nine".