136269986 has 16 divisors (see below), whose sum is σ = 220174848. Its totient is φ = 63069600.

The previous prime is 136269983. The next prime is 136270007. The reversal of 136269986 is 689962631.

It is not an unprimeable number, because it can be changed into a prime (136269983) 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, 46355 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (13760928).

Almost surely, 2^136269986 is an apocalyptic number.

136269986 is a deficient number, since it is larger than the sum of its proper divisors (83904862).

136269986 is a wasteful number, since it uses less digits than its factorization.

136269986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95617.

The product of its digits is 839808, while the sum is 50.

The square root of 136269986 is about 11673.4736047160. The cubic root of 136269986 is about 514.5963922285.

The spelling of 136269986 in words is "one hundred thirty-six million, two hundred sixty-nine thousand, nine hundred eighty-six".