135693783 has 6 divisors (see below), whose sum is σ = 196002144. Its totient is φ = 90462516.

The previous prime is 135693769. The next prime is 135693791. The reversal of 135693783 is 387396531.

135693783 is a `hidden beast` number, since 1 + 3 + 569 + 3 + 7 + 83 = 666.

It is not a de Polignac number, because 135693783 - 2⁸ = 135693527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135693083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7538535 + ... + 7538552.

It is an arithmetic number, because the mean of its divisors is an integer number (32667024).

Almost surely, 2^135693783 is an apocalyptic number.

135693783 is a deficient number, since it is larger than the sum of its proper divisors (60308361).

135693783 is a wasteful number, since it uses less digits than its factorization.

135693783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077093 (or 15077090 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 135693783 is about 11648.7674455283. The cubic root of 135693783 is about 513.8700623368.

The spelling of 135693783 in words is "one hundred thirty-five million, six hundred ninety-three thousand, seven hundred eighty-three".