135322187 has 24 divisors (see below), whose sum is σ = 182707200. Its totient is φ = 97325280.

The previous prime is 135322177. The next prime is 135322277. The reversal of 135322187 is 781223531.

It is not a de Polignac number, because 135322187 - 2⁴ = 135322171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135322147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7814 + ... + 18212.

It is an arithmetic number, because the mean of its divisors is an integer number (7612800).

Almost surely, 2^135322187 is an apocalyptic number.

135322187 is a deficient number, since it is larger than the sum of its proper divisors (47385013).

135322187 is a wasteful number, since it uses less digits than its factorization.

135322187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443 (or 10430 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 135322187 is about 11632.8064971442. The cubic root of 135322187 is about 513.4005575742.

The spelling of 135322187 in words is "one hundred thirty-five million, three hundred twenty-two thousand, one hundred eighty-seven".