190134589 has 4 divisors (see below), whose sum is σ = 194772060. Its totient is φ = 185497120.

The previous prime is 190134587. The next prime is 190134611. The reversal of 190134589 is 985431091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44328964 + 145805625 = 6658^2 + 12075^2 .

It is not a de Polignac number, because 190134589 - 2¹ = 190134587 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190134587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318674 + ... + 2318755.

It is an arithmetic number, because the mean of its divisors is an integer number (48693015).

Almost surely, 2^190134589 is an apocalyptic number.

It is an amenable number.

190134589 is a deficient number, since it is larger than the sum of its proper divisors (4637471).

190134589 is an equidigital number, since it uses as much as digits as its factorization.

190134589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637470.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 190134589 is about 13788.9299439804. The cubic root of 190134589 is about 575.0254194182.

The spelling of 190134589 in words is "one hundred ninety million, one hundred thirty-four thousand, five hundred eighty-nine".