189181034 has 32 divisors (see below), whose sum is σ = 336000000. Its totient is φ = 78174720.

The previous prime is 189181021. The next prime is 189181039. The reversal of 189181034 is 430181981.

189181034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189180985 and 189181003.

It is not an unprimeable number, because it can be changed into a prime (189181039) 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, 150842 + ... + 152090.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000).

Almost surely, 2^189181034 is an apocalyptic number.

189181034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189181034 is a deficient number, since it is larger than the sum of its proper divisors (146818966).

189181034 is a wasteful number, since it uses less digits than its factorization.

189181034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 189181034 is about 13754.3096518873. The cubic root of 189181034 is about 574.0625268279.

The spelling of 189181034 in words is "one hundred eighty-nine million, one hundred eighty-one thousand, thirty-four".