136873922 has 8 divisors (see below), whose sum is σ = 205546572. Its totient is φ = 68358400.

The previous prime is 136873921. The next prime is 136873937. The reversal of 136873922 is 229378631.

It can be written as a sum of positive squares in 2 ways, for example, as 124121881 + 12752041 = 11141^2 + 3571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136873922.

It is not an unprimeable number, because it can be changed into a prime (136873921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37079 + ... + 40602.

Almost surely, 2^136873922 is an apocalyptic number.

136873922 is a deficient number, since it is larger than the sum of its proper divisors (68672650).

136873922 is an equidigital number, since it uses as much as digits as its factorization.

136873922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78564.

The product of its digits is 108864, while the sum is 41.

The square root of 136873922 is about 11699.3128858066. The cubic root of 136873922 is about 515.3554864894.

The spelling of 136873922 in words is "one hundred thirty-six million, eight hundred seventy-three thousand, nine hundred twenty-two".