133254542 has 8 divisors (see below), whose sum is σ = 200778816. Its totient is φ = 66328272.

The previous prime is 133254529. The next prime is 133254547. The reversal of 133254542 is 245452331.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133254547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148943 + ... + 149834.

It is an arithmetic number, because the mean of its divisors is an integer number (25097352).

Almost surely, 2^133254542 is an apocalyptic number.

133254542 is a deficient number, since it is larger than the sum of its proper divisors (67524274).

133254542 is a wasteful number, since it uses less digits than its factorization.

133254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299002.

The product of its digits is 14400, while the sum is 29.

The square root of 133254542 is about 11543.5931147975. The cubic root of 133254542 is about 510.7723041972.

The spelling of 133254542 in words is "one hundred thirty-three million, two hundred fifty-four thousand, five hundred forty-two".