134451866 has 32 divisors (see below), whose sum is σ = 219663360. Its totient is φ = 61513776.

The previous prime is 134451857. The next prime is 134451881. The reversal of 134451866 is 668154431.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 147785 + ... + 148691.

It is an arithmetic number, because the mean of its divisors is an integer number (6864480).

Almost surely, 2^134451866 is an apocalyptic number.

134451866 is a deficient number, since it is larger than the sum of its proper divisors (85211494).

134451866 is a wasteful number, since it uses less digits than its factorization.

134451866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 69120, while the sum is 38.

The square root of 134451866 is about 11595.3381149495. The cubic root of 134451866 is about 512.2975489087.

The spelling of 134451866 in words is "one hundred thirty-four million, four hundred fifty-one thousand, eight hundred sixty-six".