135148519 has 8 divisors (see below), whose sum is σ = 147863808. Its totient is φ = 122504760.

The previous prime is 135148511. The next prime is 135148523. The reversal of 135148519 is 915841531.

135148519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135148519 - 2³ = 135148511 is a prime.

It is a super-2 number, since 2×135148519² = 36530244375786722, 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 (135148511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13887 + ... + 21520.

It is an arithmetic number, because the mean of its divisors is an integer number (18482976).

Almost surely, 2^135148519 is an apocalyptic number.

135148519 is a deficient number, since it is larger than the sum of its proper divisors (12715289).

135148519 is a wasteful number, since it uses less digits than its factorization.

135148519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35765.

The product of its digits is 21600, while the sum is 37.

The square root of 135148519 is about 11625.3395219237. The cubic root of 135148519 is about 513.1808364789.

The spelling of 135148519 in words is "one hundred thirty-five million, one hundred forty-eight thousand, five hundred nineteen".