133502450 has 12 divisors (see below), whose sum is σ = 248314650. Its totient is φ = 53400960.

The previous prime is 133502449. The next prime is 133502477. The reversal of 133502450 is 54205331.

It can be written as a sum of positive squares in 3 ways, for example, as 105740089 + 27762361 = 10283^2 + 5269^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1334975 + ... + 1335074.

Almost surely, 2^133502450 is an apocalyptic number.

133502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133502450 is a deficient number, since it is larger than the sum of its proper divisors (114812200).

133502450 is a wasteful number, since it uses less digits than its factorization.

133502450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670061 (or 2670056 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 133502450 is about 11554.3260296739. The cubic root of 133502450 is about 511.0888565014.

Adding to 133502450 its reverse (54205331), we get a palindrome (187707781).

The spelling of 133502450 in words is "one hundred thirty-three million, five hundred two thousand, four hundred fifty".