135678024693 has 24 divisors (see below), whose sum is σ = 199300342176. Its totient is φ = 88920871200.

The previous prime is 135678024689. The next prime is 135678024697. The reversal of 135678024693 is 396420876531.

135678024693 is a `hidden beast` number, since 13 + 567 + 8 + 0 + 2 + 4 + 69 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (135678024689) and next prime (135678024697).

It is not a de Polignac number, because 135678024693 - 2² = 135678024689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135678024697) 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 23 ways as a sum of consecutive naturals, for example, 958798 + ... + 1091168.

It is an arithmetic number, because the mean of its divisors is an integer number (8304180924).

It is a 2-persistent number, because it is pandigital, and so is 2⋅135678024693 = 271356049386, but 3⋅135678024693 = 407034074079 is not.

Almost surely, 2^135678024693 is an apocalyptic number.

It is an amenable number.

135678024693 is a deficient number, since it is larger than the sum of its proper divisors (63622317483).

135678024693 is a wasteful number, since it uses less digits than its factorization.

135678024693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134305 (or 134302 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 135678024693 in words is "one hundred thirty-five billion, six hundred seventy-eight million, twenty-four thousand, six hundred ninety-three".