135987533227 has 8 divisors (see below), whose sum is σ = 167369271776. Its totient is φ = 107594531712.

The previous prime is 135987533219. The next prime is 135987533249. The reversal of 135987533227 is 722335789531.

It is a happy number.

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 135987533227 - 2³ = 135987533219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135987533827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747184158 + ... + 747184339.

It is an arithmetic number, because the mean of its divisors is an integer number (20921158972).

Almost surely, 2^135987533227 is an apocalyptic number.

135987533227 is the 212907-th hex number.

135987533227 is a deficient number, since it is larger than the sum of its proper divisors (31381738549).

135987533227 is a wasteful number, since it uses less digits than its factorization.

135987533227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494368517.

The product of its digits is 9525600, while the sum is 55.

The spelling of 135987533227 in words is "one hundred thirty-five billion, nine hundred eighty-seven million, five hundred thirty-three thousand, two hundred twenty-seven".