189169130 has 32 divisors (see below), whose sum is σ = 369999360. Its totient is φ = 69370560.

The previous prime is 189169103. The next prime is 189169147. The reversal of 189169130 is 31961981.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 15 ways as a sum of consecutive naturals, for example, 10169 + ... + 21948.

It is an arithmetic number, because the mean of its divisors is an integer number (11562480).

Almost surely, 2^189169130 is an apocalyptic number.

189169130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189169130 is a deficient number, since it is larger than the sum of its proper divisors (180830230).

189169130 is a wasteful number, since it uses less digits than its factorization.

189169130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32174.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 189169130 is about 13753.8769079849. The cubic root of 189169130 is about 574.0504858329.

The spelling of 189169130 in words is "one hundred eighty-nine million, one hundred sixty-nine thousand, one hundred thirty".