133008959 has 6 divisors (see below), whose sum is σ = 135568776. Its totient is φ = 130496600.

The previous prime is 133008943. The next prime is 133008973. The reversal of 133008959 is 959800331.

It is not a de Polignac number, because 133008959 - 2⁴ = 133008943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133008929) 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 5 ways as a sum of consecutive naturals, for example, 20867 + ... + 26484.

It is an arithmetic number, because the mean of its divisors is an integer number (22594796).

Almost surely, 2^133008959 is an apocalyptic number.

133008959 is a deficient number, since it is larger than the sum of its proper divisors (2559817).

133008959 is an frugal number, since it uses more digits than its factorization.

133008959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47457 (or 47404 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 133008959 is about 11532.9510100408. The cubic root of 133008959 is about 510.4583333301.

The spelling of 133008959 in words is "one hundred thirty-three million, eight thousand, nine hundred fifty-nine".