133901719 has 4 divisors (see below), whose sum is σ = 153030544. Its totient is φ = 114772896.

The previous prime is 133901701. The next prime is 133901737. The reversal of 133901719 is 917109331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917109331 = 2617 ⋅350443.

It is an interprime number because it is at equal distance from previous prime (133901701) and next prime (133901737).

It is not a de Polignac number, because 133901719 - 2¹¹ = 133899671 is a prime.

It is a super-2 number, since 2×133901719² = 35859340702309922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133901749) 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 3 ways as a sum of consecutive naturals, for example, 9564402 + ... + 9564415.

It is an arithmetic number, because the mean of its divisors is an integer number (38257636).

Almost surely, 2^133901719 is an apocalyptic number.

133901719 is a deficient number, since it is larger than the sum of its proper divisors (19128825).

133901719 is an equidigital number, since it uses as much as digits as its factorization.

133901719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19128824.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 133901719 is about 11571.5910314874. The cubic root of 133901719 is about 511.5978580041.

The spelling of 133901719 in words is "one hundred thirty-three million, nine hundred one thousand, seven hundred nineteen".