135627239 has 4 divisors (see below), whose sum is σ = 147957000. Its totient is φ = 123297480.

The previous prime is 135627227. The next prime is 135627277. The reversal of 135627239 is 932726531.

135627239 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135627239 - 2⁴ = 135627223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135627539) 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, 6164864 + ... + 6164885.

It is an arithmetic number, because the mean of its divisors is an integer number (36989250).

Almost surely, 2^135627239 is an apocalyptic number.

135627239 is a deficient number, since it is larger than the sum of its proper divisors (12329761).

135627239 is a wasteful number, since it uses less digits than its factorization.

135627239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329760.

The product of its digits is 68040, while the sum is 38.

The square root of 135627239 is about 11645.9108274106. The cubic root of 135627239 is about 513.7860482675.

The spelling of 135627239 in words is "one hundred thirty-five million, six hundred twenty-seven thousand, two hundred thirty-nine".