133066534 has 4 divisors (see below), whose sum is σ = 199599804. Its totient is φ = 66533266.

The previous prime is 133066511. The next prime is 133066537. The reversal of 133066534 is 435660331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133066496 and 133066505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133066537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33266632 + ... + 33266635.

It is an arithmetic number, because the mean of its divisors is an integer number (49899951).

Almost surely, 2^133066534 is an apocalyptic number.

133066534 is a deficient number, since it is larger than the sum of its proper divisors (66533270).

133066534 is an equidigital number, since it uses as much as digits as its factorization.

133066534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66533269.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 133066534 is about 11535.4468487354. The cubic root of 133066534 is about 510.5319759859.

The spelling of 133066534 in words is "one hundred thirty-three million, sixty-six thousand, five hundred thirty-four".