135086397238 has 16 divisors (see below), whose sum is σ = 218479751280. Its totient is φ = 62272349856.

The previous prime is 135086397179. The next prime is 135086397253. The reversal of 135086397238 is 832793680531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3112120 + ... + 3155227.

It is an arithmetic number, because the mean of its divisors is an integer number (13654984455).

Almost surely, 2^135086397238 is an apocalyptic number.

135086397238 is a deficient number, since it is larger than the sum of its proper divisors (83393354042).

135086397238 is a wasteful number, since it uses less digits than its factorization.

135086397238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268191.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 135086397238 in words is "one hundred thirty-five billion, eighty-six million, three hundred ninety-seven thousand, two hundred thirty-eight".