133042436871 has 32 divisors (see below), whose sum is σ = 188952307200. Its totient is φ = 83088829824.

The previous prime is 133042436867. The next prime is 133042436881. The reversal of 133042436871 is 178634240331.

It is not a de Polignac number, because 133042436871 - 2² = 133042436867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133042436801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716605 + ... + 882953.

It is an arithmetic number, because the mean of its divisors is an integer number (5904759600).

Almost surely, 2^133042436871 is an apocalyptic number.

133042436871 is a deficient number, since it is larger than the sum of its proper divisors (55909870329).

133042436871 is a wasteful number, since it uses less digits than its factorization.

133042436871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166615.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 133042436871 in words is "one hundred thirty-three billion, forty-two million, four hundred thirty-six thousand, eight hundred seventy-one".