135966394 has 16 divisors (see below), whose sum is σ = 219254400. Its totient is φ = 63033984.

The previous prime is 135966371. The next prime is 135966419. The reversal of 135966394 is 493669531.

135966394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36279 + ... + 39850.

It is an arithmetic number, because the mean of its divisors is an integer number (13703400).

Almost surely, 2^135966394 is an apocalyptic number.

135966394 is a deficient number, since it is larger than the sum of its proper divisors (83288006).

135966394 is a wasteful number, since it uses less digits than its factorization.

135966394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76197.

The product of its digits is 524880, while the sum is 46.

The square root of 135966394 is about 11660.4628553072. The cubic root of 135966394 is about 514.2139565593.

The spelling of 135966394 in words is "one hundred thirty-five million, nine hundred sixty-six thousand, three hundred ninety-four".