133586542 has 4 divisors (see below), whose sum is σ = 200379816. Its totient is φ = 66793270.

The previous prime is 133586521. The next prime is 133586567. The reversal of 133586542 is 245685331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245685331 = 677 ⋅362903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33396634 + ... + 33396637.

It is an arithmetic number, because the mean of its divisors is an integer number (50094954).

Almost surely, 2^133586542 is an apocalyptic number.

133586542 is a deficient number, since it is larger than the sum of its proper divisors (66793274).

133586542 is an equidigital number, since it uses as much as digits as its factorization.

133586542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66793273.

The product of its digits is 86400, while the sum is 37.

The square root of 133586542 is about 11557.9644401599. The cubic root of 133586542 is about 511.1961440789.

It can be divided in two parts, 13358 and 6542, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 133586542 in words is "one hundred thirty-three million, five hundred eighty-six thousand, five hundred forty-two".