189755113 has 4 divisors (see below), whose sum is σ = 189803908. Its totient is φ = 189706320.

The previous prime is 189755107. The next prime is 189755119. The reversal of 189755113 is 311557981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311557981 = 7 ⋅44508283.

It is an interprime number because it is at equal distance from previous prime (189755107) and next prime (189755119).

It can be written as a sum of positive squares in 2 ways, for example, as 154554624 + 35200489 = 12432^2 + 5933^2 .

It is a cyclic number.

It is not a de Polignac number, because 189755113 - 2⁵ = 189755081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189755119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18006 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (47450977).

Almost surely, 2^189755113 is an apocalyptic number.

It is an amenable number.

189755113 is a deficient number, since it is larger than the sum of its proper divisors (48795).

189755113 is an equidigital number, since it uses as much as digits as its factorization.

189755113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48794.

The product of its digits is 37800, while the sum is 40.

The square root of 189755113 is about 13775.1629028480. The cubic root of 189755113 is about 574.6426139588.

The spelling of 189755113 in words is "one hundred eighty-nine million, seven hundred fifty-five thousand, one hundred thirteen".