136880226 has 144 divisors (see below), whose sum is σ = 377978400. Its totient is φ = 36602496.

The previous prime is 136880213. The next prime is 136880239. The reversal of 136880226 is 622088631.

It is an interprime number because it is at equal distance from previous prime (136880213) and next prime (136880239).

It is a super-2 number, since 2×136880226² = 37472392539622152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 764605 + ... + 764783.

It is an arithmetic number, because the mean of its divisors is an integer number (2624850).

Almost surely, 2^136880226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136880226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188989200).

136880226 is an abundant number, since it is smaller than the sum of its proper divisors (241098174).

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

136880226 is a wasteful number, since it uses less digits than its factorization.

136880226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 136880226 is about 11699.5823002362. The cubic root of 136880226 is about 515.3633982743.

The spelling of 136880226 in words is "one hundred thirty-six million, eight hundred eighty thousand, two hundred twenty-six".