136106905 has 16 divisors (see below), whose sum is σ = 182994624. Its totient is φ = 96310080.

The previous prime is 136106903. The next prime is 136106909. The reversal of 136106905 is 509601631.

It is not a de Polignac number, because 136106905 - 2¹ = 136106903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136106903) by changing a digit.

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, 31407 + ... + 35476.

It is an arithmetic number, because the mean of its divisors is an integer number (11437164).

Almost surely, 2^136106905 is an apocalyptic number.

It is an amenable number.

136106905 is a deficient number, since it is larger than the sum of its proper divisors (46887719).

136106905 is a wasteful number, since it uses less digits than its factorization.

136106905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66936.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 136106905 is about 11666.4864033693. The cubic root of 136106905 is about 514.3910293397.

The spelling of 136106905 in words is "one hundred thirty-six million, one hundred six thousand, nine hundred five".