136355666 has 16 divisors (see below), whose sum is σ = 220308000. Its totient is φ = 63086688.

The previous prime is 136355663. The next prime is 136355669. The reversal of 136355666 is 666553631.

It is an interprime number because it is at equal distance from previous prime (136355663) and next prime (136355669).

It is not an unprimeable number, because it can be changed into a prime (136355663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40091 + ... + 43358.

It is an arithmetic number, because the mean of its divisors is an integer number (13769250).

Almost surely, 2^136355666 is an apocalyptic number.

136355666 is a deficient number, since it is larger than the sum of its proper divisors (83952334).

136355666 is a wasteful number, since it uses less digits than its factorization.

136355666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83513.

The product of its digits is 291600, while the sum is 41.

The square root of 136355666 is about 11677.1428868538. The cubic root of 136355666 is about 514.7042207698.

The spelling of 136355666 in words is "one hundred thirty-six million, three hundred fifty-five thousand, six hundred sixty-six".