133433342 has 32 divisors (see below), whose sum is σ = 233813952. Its totient is φ = 55931904.

The previous prime is 133433317. The next prime is 133433347. The reversal of 133433342 is 243334331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133433347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139538 + ... + 140490.

It is an arithmetic number, because the mean of its divisors is an integer number (7306686).

Almost surely, 2^133433342 is an apocalyptic number.

133433342 is a deficient number, since it is larger than the sum of its proper divisors (100380610).

133433342 is a wasteful number, since it uses less digits than its factorization.

133433342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its digits is 7776, while the sum is 26.

The square root of 133433342 is about 11551.3350743540. The cubic root of 133433342 is about 511.0006523149. Note that the first 3 decimals are identical.

Adding to 133433342 its reverse (243334331), we get a palindrome (376767673).

The spelling of 133433342 in words is "one hundred thirty-three million, four hundred thirty-three thousand, three hundred forty-two".