135696693 has 8 divisors (see below), whose sum is σ = 197377056. Its totient is φ = 82240400.

The previous prime is 135696683. The next prime is 135696697. The reversal of 135696693 is 396696531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135696693 - 2⁴ = 135696677 is a prime.

It is a super-2 number, since 2×135696693² = 36827184982272498, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135696697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055978 + ... + 2056043.

It is an arithmetic number, because the mean of its divisors is an integer number (24672132).

Almost surely, 2^135696693 is an apocalyptic number.

It is an amenable number.

135696693 is a deficient number, since it is larger than the sum of its proper divisors (61680363).

135696693 is a wasteful number, since it uses less digits than its factorization.

135696693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112035.

The product of its digits is 787320, while the sum is 48.

The square root of 135696693 is about 11648.8923507774. The cubic root of 135696693 is about 513.8737356841.

The spelling of 135696693 in words is "one hundred thirty-five million, six hundred ninety-six thousand, six hundred ninety-three".