133000957 has 4 divisors (see below), whose sum is σ = 133033500. Its totient is φ = 132968416.

The previous prime is 133000949. The next prime is 133000961. The reversal of 133000957 is 759000331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77334436 + 55666521 = 8794^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000957 - 2³ = 133000949 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 (133000937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (33258375).

Almost surely, 2^133000957 is an apocalyptic number.

It is an amenable number.

133000957 is a deficient number, since it is larger than the sum of its proper divisors (32543).

133000957 is an equidigital number, since it uses as much as digits as its factorization.

133000957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32542.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 133000957 is about 11532.6040858082. The cubic root of 133000957 is about 510.4480965021.

The spelling of 133000957 in words is "one hundred thirty-three million, nine hundred fifty-seven", and thus it is an aban number.