135086139 has 12 divisors (see below), whose sum is σ = 195887016. Its totient is φ = 89705472.

The previous prime is 135086117. The next prime is 135086141. The reversal of 135086139 is 931680531.

It is a happy number.

135086139 is a `hidden beast` number, since 1 + 35 + 0 + 8 + 613 + 9 = 666.

It is not a de Polignac number, because 135086139 - 2⁸ = 135085883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135086179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26889 + ... + 31514.

It is an arithmetic number, because the mean of its divisors is an integer number (16323918).

Almost surely, 2^135086139 is an apocalyptic number.

135086139 is a deficient number, since it is larger than the sum of its proper divisors (60800877).

135086139 is a wasteful number, since it uses less digits than its factorization.

135086139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58666 (or 58663 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 135086139 is about 11622.6562798699. The cubic root of 135086139 is about 513.1018686704.

The spelling of 135086139 in words is "one hundred thirty-five million, eighty-six thousand, one hundred thirty-nine".