135359189 has 4 divisors (see below), whose sum is σ = 154696224. Its totient is φ = 116022156.

The previous prime is 135359171. The next prime is 135359233. The reversal of 135359189 is 981953531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981953531 = 13 ⋅75534887.

It is a cyclic number.

It is not a de Polignac number, because 135359189 - 2²⁰ = 134310613 is a prime.

It is a super-2 number, since 2×135359189² = 36644220093475442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135359129) 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, 9668507 + ... + 9668520.

It is an arithmetic number, because the mean of its divisors is an integer number (38674056).

Almost surely, 2^135359189 is an apocalyptic number.

It is an amenable number.

135359189 is a deficient number, since it is larger than the sum of its proper divisors (19337035).

135359189 is an equidigital number, since it uses as much as digits as its factorization.

135359189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19337034.

The product of its digits is 145800, while the sum is 44.

The square root of 135359189 is about 11634.3968043040. The cubic root of 135359189 is about 513.4473474285.

The spelling of 135359189 in words is "one hundred thirty-five million, three hundred fifty-nine thousand, one hundred eighty-nine".