133151533 has 8 divisors (see below), whose sum is σ = 134414208. Its totient is φ = 131893344.

The previous prime is 133151519. The next prime is 133151539. The reversal of 133151533 is 335151331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133151533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133151498 and 133151507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133151539) 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, 92860 + ... + 94282.

It is an arithmetic number, because the mean of its divisors is an integer number (16801776).

Almost surely, 2^133151533 is an apocalyptic number.

It is an amenable number.

133151533 is a deficient number, since it is larger than the sum of its proper divisors (1262675).

133151533 is a wasteful number, since it uses less digits than its factorization.

133151533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its digits is 2025, while the sum is 25.

The square root of 133151533 is about 11539.1305131713. The cubic root of 133151533 is about 510.6406571337.

The spelling of 133151533 in words is "one hundred thirty-three million, one hundred fifty-one thousand, five hundred thirty-three".