189113403 has 8 divisors (see below), whose sum is σ = 265422400. Its totient is φ = 119440008.

The previous prime is 189113377. The next prime is 189113411. The reversal of 189113403 is 304311981.

189113403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189113403 - 2⁶ = 189113339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189113453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658833 + ... + 1658946.

It is an arithmetic number, because the mean of its divisors is an integer number (33177800).

Almost surely, 2^189113403 is an apocalyptic number.

189113403 is a deficient number, since it is larger than the sum of its proper divisors (76308997).

189113403 is a wasteful number, since it uses less digits than its factorization.

189113403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317801.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 189113403 is about 13751.8508936070. The cubic root of 189113403 is about 573.9941107903.

The spelling of 189113403 in words is "one hundred eighty-nine million, one hundred thirteen thousand, four hundred three".