189514859 has 4 divisors (see below), whose sum is σ = 189567480. Its totient is φ = 189462240.

The previous prime is 189514849. The next prime is 189514867. The reversal of 189514859 is 958415981.

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

It is a cyclic number.

It is not a de Polignac number, because 189514859 - 2⁸ = 189514603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189514849) 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, 20477 + ... + 28254.

It is an arithmetic number, because the mean of its divisors is an integer number (47391870).

Almost surely, 2^189514859 is an apocalyptic number.

189514859 is a deficient number, since it is larger than the sum of its proper divisors (52621).

189514859 is an equidigital number, since it uses as much as digits as its factorization.

189514859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52620.

The product of its digits is 518400, while the sum is 50.

The square root of 189514859 is about 13766.4395905405. The cubic root of 189514859 is about 574.3999880946.

The spelling of 189514859 in words is "one hundred eighty-nine million, five hundred fourteen thousand, eight hundred fifty-nine".