135193085694 has 64 divisors (see below), whose sum is σ = 311972834880. Its totient is φ = 43362915840.

The previous prime is 135193085693. The next prime is 135193085717. The reversal of 135193085694 is 496580391531.

135193085694 is a `hidden beast` number, since 1 + 3 + 519 + 30 + 8 + 5 + 6 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 135193085694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135193085693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256617 + ... + 579860.

It is an arithmetic number, because the mean of its divisors is an integer number (4874575545).

Almost surely, 2^135193085694 is an apocalyptic number.

135193085694 is an abundant number, since it is smaller than the sum of its proper divisors (176779749186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135193085694 is a wasteful number, since it uses less digits than its factorization.

135193085694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836602 (or 836596 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 135193085694 in words is "one hundred thirty-five billion, one hundred ninety-three million, eighty-five thousand, six hundred ninety-four".