135951189 has 16 divisors (see below), whose sum is σ = 199064064. Its totient is φ = 81846000.

The previous prime is 135951169. The next prime is 135951197. The reversal of 135951189 is 981159531.

It is not a de Polignac number, because 135951189 - 2⁵ = 135951157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135951189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135951169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8659 + ... + 18624.

It is an arithmetic number, because the mean of its divisors is an integer number (12441504).

Almost surely, 2^135951189 is an apocalyptic number.

It is an amenable number.

135951189 is a deficient number, since it is larger than the sum of its proper divisors (63112875).

135951189 is a wasteful number, since it uses less digits than its factorization.

135951189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27448.

The product of its digits is 48600, while the sum is 42.

The square root of 135951189 is about 11659.8108475224. The cubic root of 135951189 is about 514.1947878161.

The spelling of 135951189 in words is "one hundred thirty-five million, nine hundred fifty-one thousand, one hundred eighty-nine".