133542711 has 12 divisors (see below), whose sum is σ = 193006840. Its totient is φ = 88976880.

The previous prime is 133542691. The next prime is 133542727. The reversal of 133542711 is 117245331.

It is not a de Polignac number, because 133542711 - 2¹⁰ = 133541687 is a prime.

It is a super-2 number, since 2×133542711² = 35667311322459042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133542751) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 18396 + ... + 24606.

Almost surely, 2^133542711 is an apocalyptic number.

133542711 is a deficient number, since it is larger than the sum of its proper divisors (59464129).

133542711 is a wasteful number, since it uses less digits than its factorization.

133542711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606 (or 8603 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 133542711 is about 11556.0681462165. The cubic root of 133542711 is about 511.1402285432.

The spelling of 133542711 in words is "one hundred thirty-three million, five hundred forty-two thousand, seven hundred eleven".