133122157 has 8 divisors (see below), whose sum is σ = 152268800. Its totient is φ = 114007824.

The previous prime is 133122149. The next prime is 133122161. The reversal of 133122157 is 751221331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133122157 - 2³ = 133122149 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 (133122127) 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 7 ways as a sum of consecutive naturals, for example, 1519 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (19033600).

Almost surely, 2^133122157 is an apocalyptic number.

It is an amenable number.

133122157 is a deficient number, since it is larger than the sum of its proper divisors (19146643).

133122157 is a wasteful number, since it uses less digits than its factorization.

133122157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155.

The product of its digits is 1260, while the sum is 25.

The square root of 133122157 is about 11537.8575567564. The cubic root of 133122157 is about 510.6031017188.

Adding to 133122157 its reverse (751221331), we get a palindrome (884343488).

The spelling of 133122157 in words is "one hundred thirty-three million, one hundred twenty-two thousand, one hundred fifty-seven".