136861822 has 24 divisors (see below), whose sum is σ = 215842536. Its totient is φ = 65079696.

The previous prime is 136861793. The next prime is 136861841. The reversal of 136861822 is 228168631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292833 + ... + 293299.

It is an arithmetic number, because the mean of its divisors is an integer number (8993439).

Almost surely, 2^136861822 is an apocalyptic number.

136861822 is a deficient number, since it is larger than the sum of its proper divisors (78980714).

136861822 is a wasteful number, since it uses less digits than its factorization.

136861822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 769 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 136861822 is about 11698.7957499907. The cubic root of 136861822 is about 515.3402998001.

It can be divided in two parts, 1368 and 61822, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 136861822 in words is "one hundred thirty-six million, eight hundred sixty-one thousand, eight hundred twenty-two".