136091212 has 12 divisors (see below), whose sum is σ = 238329000. Its totient is φ = 67997216.

The previous prime is 136091201. The next prime is 136091257. The reversal of 136091212 is 212190631.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5353 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (19860750).

Almost surely, 2^136091212 is an apocalyptic number.

It is an amenable number.

136091212 is a deficient number, since it is larger than the sum of its proper divisors (102237788).

136091212 is a wasteful number, since it uses less digits than its factorization.

136091212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24200 (or 24198 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 136091212 is about 11665.8138164468. The cubic root of 136091212 is about 514.3712589769.

The spelling of 136091212 in words is "one hundred thirty-six million, ninety-one thousand, two hundred twelve".