133000139 has 2 divisors, whose sum is σ = 133000140. Its totient is φ = 133000138.

The previous prime is 133000121. The next prime is 133000157. The reversal of 133000139 is 931000331.

It is a balanced prime because it is at equal distance from previous prime (133000121) and next prime (133000157).

It is an emirp because it is prime and its reverse (931000331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133000139 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133000139.

It is not a weakly prime, because it can be changed into another prime (133000169) 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 as a sum of consecutive naturals, namely, 66500069 + 66500070.

It is an arithmetic number, because the mean of its divisors is an integer number (66500070).

Almost surely, 2^133000139 is an apocalyptic number.

133000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000139 is an equidigital number, since it uses as much as digits as its factorization.

133000139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 133000139 is about 11532.5686210835. The cubic root of 133000139 is about 510.4470500249.

The spelling of 133000139 in words is "one hundred thirty-three million, one hundred thirty-nine", and thus it is an aban number.