134142666 has 16 divisors (see below), whose sum is σ = 306611904. Its totient is φ = 38326464.

The previous prime is 134142571. The next prime is 134142667. The reversal of 134142666 is 666241431.

It is not an unprimeable number, because it can be changed into a prime (134142667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596895 + ... + 1596978.

It is an arithmetic number, because the mean of its divisors is an integer number (19163244).

Almost surely, 2^134142666 is an apocalyptic number.

134142666 is an abundant number, since it is smaller than the sum of its proper divisors (172469238).

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

134142666 is a wasteful number, since it uses less digits than its factorization.

134142666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193885.

The product of its digits is 20736, while the sum is 33.

The square root of 134142666 is about 11581.9974961144. The cubic root of 134142666 is about 511.9045359328.

The spelling of 134142666 in words is "one hundred thirty-four million, one hundred forty-two thousand, six hundred sixty-six".