135912693 has 16 divisors (see below), whose sum is σ = 207610496. Its totient is φ = 77474880.

The previous prime is 135912691. The next prime is 135912703. The reversal of 135912693 is 396219531.

It is not a de Polignac number, because 135912693 - 2¹ = 135912691 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135912691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (12975656).

Almost surely, 2^135912693 is an apocalyptic number.

It is an amenable number.

135912693 is a deficient number, since it is larger than the sum of its proper divisors (71697803).

135912693 is a wasteful number, since it uses less digits than its factorization.

135912693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804.

The product of its digits is 43740, while the sum is 39.

The square root of 135912693 is about 11658.1599319961. The cubic root of 135912693 is about 514.1462500251.

The spelling of 135912693 in words is "one hundred thirty-five million, nine hundred twelve thousand, six hundred ninety-three".