136220550 has 24 divisors (see below), whose sum is σ = 337827336. Its totient is φ = 36325440.

The previous prime is 136220549. The next prime is 136220561. The reversal of 136220550 is 55022631.

It is a self number, because there is not a number n which added to its sum of digits gives 136220550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453919 + ... + 454218.

It is an arithmetic number, because the mean of its divisors is an integer number (14076139).

Almost surely, 2^136220550 is an apocalyptic number.

136220550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136220550 is an abundant number, since it is smaller than the sum of its proper divisors (201606786).

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

136220550 is a wasteful number, since it uses less digits than its factorization.

136220550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908152 (or 908147 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 136220550 is about 11671.3559623550. The cubic root of 136220550 is about 514.5341563077.

It can be divided in two parts, 1362 and 20550, that added together give a palindrome (21912).

The spelling of 136220550 in words is "one hundred thirty-six million, two hundred twenty thousand, five hundred fifty".