450120136 has 16 divisors (see below), whose sum is σ = 873078300. Its totient is φ = 217299264.

The previous prime is 450120103. The next prime is 450120157. The reversal of 450120136 is 631021054.

It can be written as a sum of positive squares in 2 ways, for example, as 449864100 + 256036 = 21210^2 + 506^2 .

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 3 ways as a sum of consecutive naturals, for example, 969855 + ... + 970318.

Almost surely, 2^450120136 is an apocalyptic number.

It is an amenable number.

450120136 is a deficient number, since it is larger than the sum of its proper divisors (422958164).

450120136 is a wasteful number, since it uses less digits than its factorization.

450120136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940208 (or 1940204 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 450120136 is about 21216.0348793077. The cubic root of 450120136 is about 766.3776199185.

The spelling of 450120136 in words is "four hundred fifty million, one hundred twenty thousand, one hundred thirty-six".