133120633 has 4 divisors (see below), whose sum is σ = 133937488. Its totient is φ = 132303780.

The previous prime is 133120627. The next prime is 133120639. The reversal of 133120633 is 336021331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336021331 = 7717 ⋅43543.

It is an interprime number because it is at equal distance from previous prime (133120627) and next prime (133120639).

It is a cyclic number.

It is not a de Polignac number, because 133120633 - 2²¹ = 131023481 is a prime.

It is a super-3 number, since 3×133120633³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133120639) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 408183 + ... + 408508.

It is an arithmetic number, because the mean of its divisors is an integer number (33484372).

Almost surely, 2^133120633 is an apocalyptic number.

It is an amenable number.

133120633 is a deficient number, since it is larger than the sum of its proper divisors (816855).

133120633 is an equidigital number, since it uses as much as digits as its factorization.

133120633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816854.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 133120633 is about 11537.7915131103. The cubic root of 133120633 is about 510.6011532275.

Adding to 133120633 its reverse (336021331), we get a palindrome (469141964).

The spelling of 133120633 in words is "one hundred thirty-three million, one hundred twenty thousand, six hundred thirty-three".