189034263 has 32 divisors (see below), whose sum is σ = 318804480. Its totient is φ = 109581120.

The previous prime is 189034229. The next prime is 189034273. The reversal of 189034263 is 362430981.

It is not a de Polignac number, because 189034263 - 2⁸ = 189034007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189034213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7006 + ... + 20667.

It is an arithmetic number, because the mean of its divisors is an integer number (9962640).

Almost surely, 2^189034263 is an apocalyptic number.

189034263 is a deficient number, since it is larger than the sum of its proper divisors (129770217).

189034263 is a wasteful number, since it uses less digits than its factorization.

189034263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27716 (or 27710 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 189034263 is about 13748.9731616583. The cubic root of 189034263 is about 573.9140314459.

The spelling of 189034263 in words is "one hundred eighty-nine million, thirty-four thousand, two hundred sixty-three".