136851822 has 32 divisors (see below), whose sum is σ = 304659360. Its totient is φ = 45535680.

The previous prime is 136851821. The next prime is 136851893. The reversal of 136851822 is 228158631.

It is a happy number.

136851822 is a `hidden beast` number, since 136 + 8 + 518 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136851821) 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 15 ways as a sum of consecutive naturals, for example, 33322 + ... + 37202.

It is an arithmetic number, because the mean of its divisors is an integer number (9520605).

Almost surely, 2^136851822 is an apocalyptic number.

136851822 is an abundant number, since it is smaller than the sum of its proper divisors (167807538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136851822 is a wasteful number, since it uses less digits than its factorization.

136851822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545 (or 4539 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 136851822 is about 11698.3683477654. The cubic root of 136851822 is about 515.3277481417.

The spelling of 136851822 in words is "one hundred thirty-six million, eight hundred fifty-one thousand, eight hundred twenty-two".