136666354 has 24 divisors (see below), whose sum is σ = 237197520. Its totient is φ = 58849560.

The previous prime is 136666339. The next prime is 136666363. The reversal of 136666354 is 453666631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10264 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (9883230).

Almost surely, 2^136666354 is an apocalyptic number.

136666354 is a deficient number, since it is larger than the sum of its proper divisors (100531166).

136666354 is a wasteful number, since it uses less digits than its factorization.

136666354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29766 (or 29755 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 136666354 is about 11690.4385717560. The cubic root of 136666354 is about 515.0948441276.

The spelling of 136666354 in words is "one hundred thirty-six million, six hundred sixty-six thousand, three hundred fifty-four".