136666414 has 32 divisors (see below), whose sum is σ = 222289920. Its totient is φ = 62832000.

The previous prime is 136666393. The next prime is 136666429. The reversal of 136666414 is 414666631.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 340614 + ... + 341014.

It is an arithmetic number, because the mean of its divisors is an integer number (6946560).

Almost surely, 2^136666414 is an apocalyptic number.

136666414 is a deficient number, since it is larger than the sum of its proper divisors (85623506).

136666414 is a wasteful number, since it uses less digits than its factorization.

136666414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 62208, while the sum is 37.

The square root of 136666414 is about 11690.4411379554. The cubic root of 136666414 is about 515.0949195075.

The spelling of 136666414 in words is "one hundred thirty-six million, six hundred sixty-six thousand, four hundred fourteen".