135870822 has 12 divisors (see below), whose sum is σ = 294386820. Its totient is φ = 45290268.

The previous prime is 135870811. The next prime is 135870827. The reversal of 135870822 is 228078531.

135870822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135870827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3774172 + ... + 3774207.

It is an arithmetic number, because the mean of its divisors is an integer number (24532235).

Almost surely, 2^135870822 is an apocalyptic number.

135870822 is an abundant number, since it is smaller than the sum of its proper divisors (158515998).

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

135870822 is a wasteful number, since it uses less digits than its factorization.

135870822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548387 (or 7548384 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 135870822 is about 11656.3640128472. The cubic root of 135870822 is about 514.0934464489.

The spelling of 135870822 in words is "one hundred thirty-five million, eight hundred seventy thousand, eight hundred twenty-two".