189539002 has 4 divisors (see below), whose sum is σ = 284308506. Its totient is φ = 94769500.

The previous prime is 189538963. The next prime is 189539011. The reversal of 189539002 is 200935981.

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

It can be written as a sum of positive squares in only one way, i.e., 170798761 + 18740241 = 13069^2 + 4329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47384749 + ... + 47384752.

Almost surely, 2^189539002 is an apocalyptic number.

189539002 is a deficient number, since it is larger than the sum of its proper divisors (94769504).

189539002 is an equidigital number, since it uses as much as digits as its factorization.

189539002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94769503.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 189539002 is about 13767.3164414856. The cubic root of 189539002 is about 574.4243787064.

The spelling of 189539002 in words is "one hundred eighty-nine million, five hundred thirty-nine thousand, two".