133125719 has 2 divisors, whose sum is σ = 133125720. Its totient is φ = 133125718.

The previous prime is 133125709. The next prime is 133125757. The reversal of 133125719 is 917521331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133125719 - 2¹² = 133121623 is a prime.

It is a super-2 number, since 2×133125719² = 35444914118533922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133125709) 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, 66562859 + 66562860.

It is an arithmetic number, because the mean of its divisors is an integer number (66562860).

Almost surely, 2^133125719 is an apocalyptic number.

133125719 is a deficient number, since it is larger than the sum of its proper divisors (1).

133125719 is an equidigital number, since it uses as much as digits as its factorization.

133125719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 133125719 is about 11538.0119171372. The cubic root of 133125719 is about 510.6076558117.

The spelling of 133125719 in words is "one hundred thirty-three million, one hundred twenty-five thousand, seven hundred nineteen".