66134142 has 48 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 21453120.

The previous prime is 66134111. The next prime is 66134149. The reversal of 66134142 is 24143166.

66134142 is a `hidden beast` number, since 6 + 613 + 4 + 1 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66134149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172483 + ... + 172865.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^66134142 is an apocalyptic number.

66134142 is an abundant number, since it is smaller than the sum of its proper divisors (81049986).

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

66134142 is a wasteful number, since it uses less digits than its factorization.

66134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 66134142 is about 8132.2900833652. The cubic root of 66134142 is about 404.3976046725.

The spelling of 66134142 in words is "sixty-six million, one hundred thirty-four thousand, one hundred forty-two".