520136226 has 12 divisors (see below), whose sum is σ = 1126961862. Its totient is φ = 173378736.

The previous prime is 520136219. The next prime is 520136249. The reversal of 520136226 is 622631025.

520136226 is a `hidden beast` number, since 5 + 20 + 13 + 622 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 483956001 + 36180225 = 21999^2 + 6015^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520136226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14448211 + ... + 14448246.

Almost surely, 2^520136226 is an apocalyptic number.

520136226 is an abundant number, since it is smaller than the sum of its proper divisors (606825636).

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

520136226 is a wasteful number, since it uses less digits than its factorization.

520136226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28896465 (or 28896462 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 520136226 is about 22806.4952590265. The cubic root of 520136226 is about 804.2153670466.

The spelling of 520136226 in words is "five hundred twenty million, one hundred thirty-six thousand, two hundred twenty-six".