189053117 has 8 divisors (see below), whose sum is σ = 213351840. Its totient is φ = 165939760.

The previous prime is 189053099. The next prime is 189053143. The reversal of 189053117 is 711350981.

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

It is a cyclic number.

It is not a de Polignac number, because 189053117 - 2⁸ = 189052861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189043117) 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, 296003 + ... + 296640.

It is an arithmetic number, because the mean of its divisors is an integer number (26668980).

Almost surely, 2^189053117 is an apocalyptic number.

It is an amenable number.

189053117 is a deficient number, since it is larger than the sum of its proper divisors (24298723).

189053117 is a wasteful number, since it uses less digits than its factorization.

189053117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592683.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 189053117 is about 13749.6587957665. The cubic root of 189053117 is about 573.9331112594.

It can be divided in two parts, 18905 and 3117, that added together give a palindrome (22022).

The spelling of 189053117 in words is "one hundred eighty-nine million, fifty-three thousand, one hundred seventeen".