135940894 has 8 divisors (see below), whose sum is σ = 203963040. Its totient is φ = 67953216.

The previous prime is 135940867. The next prime is 135940907. The reversal of 135940894 is 498049531.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 135940894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667 + ... + 17785.

It is an arithmetic number, because the mean of its divisors is an integer number (25495380).

Almost surely, 2^135940894 is an apocalyptic number.

135940894 is a deficient number, since it is larger than the sum of its proper divisors (68022146).

135940894 is a wasteful number, since it uses less digits than its factorization.

135940894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17234.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 135940894 is about 11659.3693654503. The cubic root of 135940894 is about 514.1818082337.

The spelling of 135940894 in words is "one hundred thirty-five million, nine hundred forty thousand, eight hundred ninety-four".