133547542 has 8 divisors (see below), whose sum is σ = 210864600. Its totient is φ = 63259344.

The previous prime is 133547509. The next prime is 133547543. The reversal of 133547542 is 245745331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133547498 and 133547507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133547543) 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, 1757167 + ... + 1757242.

It is an arithmetic number, because the mean of its divisors is an integer number (26358075).

Almost surely, 2^133547542 is an apocalyptic number.

133547542 is a deficient number, since it is larger than the sum of its proper divisors (77317058).

133547542 is a wasteful number, since it uses less digits than its factorization.

133547542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514430.

The product of its digits is 50400, while the sum is 34.

The square root of 133547542 is about 11556.2771687079. The cubic root of 133547542 is about 511.1463920860.

The spelling of 133547542 in words is "one hundred thirty-three million, five hundred forty-seven thousand, five hundred forty-two".