133349719 has 2 divisors, whose sum is σ = 133349720. Its totient is φ = 133349718.

The previous prime is 133349687. The next prime is 133349729. The reversal of 133349719 is 917943331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133349719 - 2⁵ = 133349687 is a prime.

It is a super-2 number, since 2×133349719² = 35564295114757922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133349729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66674859 + 66674860.

It is an arithmetic number, because the mean of its divisors is an integer number (66674860).

Almost surely, 2^133349719 is an apocalyptic number.

133349719 is a deficient number, since it is larger than the sum of its proper divisors (1).

133349719 is an equidigital number, since it uses as much as digits as its factorization.

133349719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 133349719 is about 11547.7148821747. The cubic root of 133349719 is about 510.8938815567.

The spelling of 133349719 in words is "one hundred thirty-three million, three hundred forty-nine thousand, seven hundred nineteen".