133000157 has 2 divisors, whose sum is σ = 133000158. Its totient is φ = 133000156.

The previous prime is 133000139. The next prime is 133000169. The reversal of 133000157 is 751000331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125193721 + 7806436 = 11189^2 + 2794^2 .

It is an emirp because it is prime and its reverse (751000331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133000157 - 2²⁰ = 131951581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133000117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500078 + 66500079.

It is an arithmetic number, because the mean of its divisors is an integer number (66500079).

Almost surely, 2^133000157 is an apocalyptic number.

It is an amenable number.

133000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000157 is an equidigital number, since it uses as much as digits as its factorization.

133000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 133000157 is about 11532.5694014820. The cubic root of 133000157 is about 510.4470730526.

Adding to 133000157 its reverse (751000331), we get a palindrome (884000488).

The spelling of 133000157 in words is "one hundred thirty-three million, one hundred fifty-seven", and thus it is an aban number.