136222880 has 24 divisors (see below), whose sum is σ = 321826932. Its totient is φ = 54489088.

The previous prime is 136222871. The next prime is 136222883. The reversal of 136222880 is 88222631.

It can be written as a sum of positive squares in 2 ways, for example, as 136142224 + 80656 = 11668^2 + 284^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (136222883) 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, 425537 + ... + 425856.

Almost surely, 2^136222880 is an apocalyptic number.

136222880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136222880 is an abundant number, since it is smaller than the sum of its proper divisors (185604052).

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

136222880 is an equidigital number, since it uses as much as digits as its factorization.

136222880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851408 (or 851400 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 136222880 is about 11671.4557789506. The cubic root of 136222880 is about 514.5370899271.

It can be divided in two parts, 1362 and 22880, that added together give a palindrome (24242).

The spelling of 136222880 in words is "one hundred thirty-six million, two hundred twenty-two thousand, eight hundred eighty".