135754519 has 4 divisors (see below), whose sum is σ = 135798696. Its totient is φ = 135710344.

The previous prime is 135754513. The next prime is 135754543. The reversal of 135754519 is 915457531.

135754519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915457531 = 17 ⋅53850443.

It is a cyclic number.

It is not a de Polignac number, because 135754519 - 2⁷ = 135754391 is a prime.

It is a super-2 number, since 2×135754519² = 36858578857842722, 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 (135754513) 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, 17104 + ... + 23749.

It is an arithmetic number, because the mean of its divisors is an integer number (33949674).

Almost surely, 2^135754519 is an apocalyptic number.

135754519 is a deficient number, since it is larger than the sum of its proper divisors (44177).

135754519 is an equidigital number, since it uses as much as digits as its factorization.

135754519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44176.

The product of its digits is 94500, while the sum is 40.

The square root of 135754519 is about 11651.3741249691. The cubic root of 135754519 is about 513.9467196358.

The spelling of 135754519 in words is "one hundred thirty-five million, seven hundred fifty-four thousand, five hundred nineteen".