133122542 has 8 divisors (see below), whose sum is σ = 228210096. Its totient is φ = 57052512.

The previous prime is 133122541. The next prime is 133122571. The reversal of 133122542 is 245221331.

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

It is a super-2 number, since 2×133122542² = 35443222377083528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133122541) 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, 4754363 + ... + 4754390.

It is an arithmetic number, because the mean of its divisors is an integer number (28526262).

Almost surely, 2^133122542 is an apocalyptic number.

133122542 is a deficient number, since it is larger than the sum of its proper divisors (95087554).

133122542 is an equidigital number, since it uses as much as digits as its factorization.

133122542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508762.

The product of its digits is 1440, while the sum is 23.

The square root of 133122542 is about 11537.8742409510. The cubic root of 133122542 is about 510.6035939534.

Adding to 133122542 its reverse (245221331), we get a palindrome (378343873).

The spelling of 133122542 in words is "one hundred thirty-three million, one hundred twenty-two thousand, five hundred forty-two".