134217719 has 4 divisors (see below), whose sum is σ = 140053296. Its totient is φ = 128382144.

The previous prime is 134217689. The next prime is 134217757. The reversal of 134217719 is 917712431.

134217719 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917712431 = 6571 ⋅139661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134217719 is a prime.

It is a super-2 number, since 2×134217719² = 36028792187125922, 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 (134217779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917754 + ... + 2917799.

It is an arithmetic number, because the mean of its divisors is an integer number (35013324).

Almost surely, 2^134217719 is an apocalyptic number.

134217719 is a deficient number, since it is larger than the sum of its proper divisors (5835577).

134217719 is an equidigital number, since it uses as much as digits as its factorization.

134217719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835576.

The product of its digits is 10584, while the sum is 35.

The square root of 134217719 is about 11585.2371145350. The cubic root of 134217719 is about 511.9999885559. Note that the first 4 decimals are identical.

The spelling of 134217719 in words is "one hundred thirty-four million, two hundred seventeen thousand, seven hundred nineteen".