189023029 has 4 divisors (see below), whose sum is σ = 203563276. Its totient is φ = 174482784.

The previous prime is 189023011. The next prime is 189023041. The reversal of 189023029 is 920320981.

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 104346225 + 84676804 = 10215^2 + 9202^2 .

It is a cyclic number.

It is not a de Polignac number, because 189023029 - 2¹⁷ = 188891957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189022985 and 189023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189023059) 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, 7270104 + ... + 7270129.

It is an arithmetic number, because the mean of its divisors is an integer number (50890819).

Almost surely, 2^189023029 is an apocalyptic number.

It is an amenable number.

189023029 is a deficient number, since it is larger than the sum of its proper divisors (14540247).

189023029 is a wasteful number, since it uses less digits than its factorization.

189023029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540246.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 189023029 is about 13748.5646159881. The cubic root of 189023029 is about 573.9026622937.

The spelling of 189023029 in words is "one hundred eighty-nine million, twenty-three thousand, twenty-nine".