189136802 has 4 divisors (see below), whose sum is σ = 283705206. Its totient is φ = 94568400.

The previous prime is 189136793. The next prime is 189136841. The reversal of 189136802 is 208631981.

189136802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 181413961 + 7722841 = 13469^2 + 2779^2 .

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 as a sum of consecutive naturals, namely, 47284199 + ... + 47284202.

Almost surely, 2^189136802 is an apocalyptic number.

189136802 is a deficient number, since it is larger than the sum of its proper divisors (94568404).

189136802 is an equidigital number, since it uses as much as digits as its factorization.

189136802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94568403.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 189136802 is about 13752.7016254989. The cubic root of 189136802 is about 574.0177832431.

The spelling of 189136802 in words is "one hundred eighty-nine million, one hundred thirty-six thousand, eight hundred two".