134666742 has 32 divisors (see below), whose sum is σ = 308385792. Its totient is φ = 38404224.

The previous prime is 134666731. The next prime is 134666761. The reversal of 134666742 is 247666431.

It is a happy number.

134666742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 134666742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22203 + ... + 27609.

It is an arithmetic number, because the mean of its divisors is an integer number (9637056).

Almost surely, 2^134666742 is an apocalyptic number.

134666742 is an abundant number, since it is smaller than the sum of its proper divisors (173719050).

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

134666742 is a wasteful number, since it uses less digits than its factorization.

134666742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012.

The product of its digits is 145152, while the sum is 39.

The square root of 134666742 is about 11604.6000361925. The cubic root of 134666742 is about 512.5703153176.

The spelling of 134666742 in words is "one hundred thirty-four million, six hundred sixty-six thousand, seven hundred forty-two".