133234742 has 4 divisors (see below), whose sum is σ = 199852116. Its totient is φ = 66617370.

The previous prime is 133234741. The next prime is 133234747. The reversal of 133234742 is 247432331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133234741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33308684 + ... + 33308687.

It is an arithmetic number, because the mean of its divisors is an integer number (49963029).

Almost surely, 2^133234742 is an apocalyptic number.

133234742 is a deficient number, since it is larger than the sum of its proper divisors (66617374).

133234742 is an equidigital number, since it uses as much as digits as its factorization.

133234742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66617373.

The product of its digits is 12096, while the sum is 29.

The square root of 133234742 is about 11542.7354643516. The cubic root of 133234742 is about 510.7470047655.

The spelling of 133234742 in words is "one hundred thirty-three million, two hundred thirty-four thousand, seven hundred forty-two".