189561202 has 4 divisors (see below), whose sum is σ = 284341806. Its totient is φ = 94780600.

The previous prime is 189561191. The next prime is 189561223. The reversal of 189561202 is 202165981.

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., 115584001 + 73977201 = 10751^2 + 8601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47390299 + ... + 47390302.

Almost surely, 2^189561202 is an apocalyptic number.

189561202 is a deficient number, since it is larger than the sum of its proper divisors (94780604).

189561202 is an equidigital number, since it uses as much as digits as its factorization.

189561202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94780603.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 189561202 is about 13768.1226752234. The cubic root of 189561202 is about 574.4468045629.

The spelling of 189561202 in words is "one hundred eighty-nine million, five hundred sixty-one thousand, two hundred two".