133342 has 24 divisors (see below), whose sum is σ = 239400. Its totient is φ = 55440.

The previous prime is 133337. The next prime is 133349. The reversal of 133342 is 243331.

It is a d-powerful number, because it can be written as 1 + 3² + 3² + 3⁷ + 4³ + 2¹⁷ .

Its product of digits (216) is a multiple of the sum of its prime factors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4584 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (9975).

2¹³³³⁴² is an apocalyptic number.

133342 is a deficient number, since it is larger than the sum of its proper divisors (106058).

133342 is a wasteful number, since it uses less digits than its factorization.

133342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 61 counting only the distinct ones).

The product of its digits is 216, while the sum is 16.

The square root of 133342 is about 365.1602387994. The cubic root of 133342 is about 51.0884023603.

Adding to 133342 its reverse (243331), we get a palindrome (376673).

The spelling of 133342 in words is "one hundred thirty-three thousand, three hundred forty-two".