133422501 has 4 divisors (see below), whose sum is σ = 177896672. Its totient is φ = 88948332.

The previous prime is 133422493. The next prime is 133422539. The reversal of 133422501 is 105224331.

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: 105224331 = 3 ⋅35074777.

It is not a de Polignac number, because 133422501 - 2³ = 133422493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133422551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22237081 + ... + 22237086.

It is an arithmetic number, because the mean of its divisors is an integer number (44474168).

Almost surely, 2^133422501 is an apocalyptic number.

It is an amenable number.

133422501 is a deficient number, since it is larger than the sum of its proper divisors (44474171).

133422501 is an equidigital number, since it uses as much as digits as its factorization.

133422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44474170.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 133422501 is about 11550.8658117043. The cubic root of 133422501 is about 510.9868129251.

Adding to 133422501 its reverse (105224331), we get a palindrome (238646832).

The spelling of 133422501 in words is "one hundred thirty-three million, four hundred twenty-two thousand, five hundred one".