133801071 has 8 divisors (see below), whose sum is σ = 178522800. Its totient is φ = 89140032.

The previous prime is 133801069. The next prime is 133801091. The reversal of 133801071 is 170108331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133801071 - 2¹ = 133801069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133801001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9750 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (22315350).

Almost surely, 2^133801071 is an apocalyptic number.

133801071 is a deficient number, since it is larger than the sum of its proper divisors (44721729).

133801071 is a wasteful number, since it uses less digits than its factorization.

133801071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30345.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 133801071 is about 11567.2412873597. The cubic root of 133801071 is about 511.4696440468.

The spelling of 133801071 in words is "one hundred thirty-three million, eight hundred one thousand, seventy-one".