136940822 has 4 divisors (see below), whose sum is σ = 205411236. Its totient is φ = 68470410.

The previous prime is 136940821. The next prime is 136940833. The reversal of 136940822 is 228049631.

136940822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228049631 = 761 ⋅299671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136940821) 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 as a sum of consecutive naturals, namely, 34235204 + ... + 34235207.

It is an arithmetic number, because the mean of its divisors is an integer number (51352809).

Almost surely, 2^136940822 is an apocalyptic number.

136940822 is a deficient number, since it is larger than the sum of its proper divisors (68470414).

136940822 is an equidigital number, since it uses as much as digits as its factorization.

136940822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68470413.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 136940822 is about 11702.1716787954. The cubic root of 136940822 is about 515.4394364142.

The spelling of 136940822 in words is "one hundred thirty-six million, nine hundred forty thousand, eight hundred twenty-two".