134849719 has 4 divisors (see below), whose sum is σ = 138494344. Its totient is φ = 131205096.

The previous prime is 134849653. The next prime is 134849753. The reversal of 134849719 is 917948431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917948431 = 3217 ⋅285343.

It is a cyclic number.

It is not a de Polignac number, because 134849719 - 2²⁵ = 101295287 is a prime.

It is a super-2 number, since 2×134849719² = 36368893428757922, 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 (134849789) 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, 1822257 + ... + 1822330.

It is an arithmetic number, because the mean of its divisors is an integer number (34623586).

Almost surely, 2^134849719 is an apocalyptic number.

134849719 is a deficient number, since it is larger than the sum of its proper divisors (3644625).

134849719 is an equidigital number, since it uses as much as digits as its factorization.

134849719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644624.

The product of its digits is 217728, while the sum is 46.

The square root of 134849719 is about 11612.4811732894. The cubic root of 134849719 is about 512.8023600703.

The spelling of 134849719 in words is "one hundred thirty-four million, eight hundred forty-nine thousand, seven hundred nineteen".