189953101 has 8 divisors (see below), whose sum is σ = 206443160. Its totient is φ = 173731392.

The previous prime is 189953033. The next prime is 189953111. The reversal of 189953101 is 101359981.

It is a happy number.

189953101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1550025 + 188403076 = 1245^2 + 13726^2 .

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 189953101 - 2¹¹ = 189951053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189953111) 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, 65610 + ... + 68443.

It is an arithmetic number, because the mean of its divisors is an integer number (25805395).

Almost surely, 2^189953101 is an apocalyptic number.

It is an amenable number.

189953101 is a deficient number, since it is larger than the sum of its proper divisors (16490059).

189953101 is a wasteful number, since it uses less digits than its factorization.

189953101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134175.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 189953101 is about 13782.3474415645. The cubic root of 189953101 is about 574.8424026820.

The spelling of 189953101 in words is "one hundred eighty-nine million, nine hundred fifty-three thousand, one hundred one".