135686074 has 8 divisors (see below), whose sum is σ = 203919840. Its totient is φ = 67712796.

The previous prime is 135686071. The next prime is 135686077. The reversal of 135686074 is 470686531.

It is a happy number.

135686074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135686071) and next prime (135686077).

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

It is not an unprimeable number, because it can be changed into a prime (135686071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63814 + ... + 65905.

It is an arithmetic number, because the mean of its divisors is an integer number (25489980).

Almost surely, 2^135686074 is an apocalyptic number.

135686074 is a deficient number, since it is larger than the sum of its proper divisors (68233766).

135686074 is a wasteful number, since it uses less digits than its factorization.

135686074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130244.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 135686074 is about 11648.4365474513. The cubic root of 135686074 is about 513.8603308683.

The spelling of 135686074 in words is "one hundred thirty-five million, six hundred eighty-six thousand, seventy-four".