135146919 has 8 divisors (see below), whose sum is σ = 188030592. Its totient is φ = 86180600.

The previous prime is 135146917. The next prime is 135146929. The reversal of 135146919 is 919641531.

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 135146919 - 2¹ = 135146917 is a prime.

It is a super-2 number, since 2×135146919² = 36529379430385122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135146917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979257 + ... + 979394.

It is an arithmetic number, because the mean of its divisors is an integer number (23503824).

Almost surely, 2^135146919 is an apocalyptic number.

135146919 is a deficient number, since it is larger than the sum of its proper divisors (52883673).

135146919 is a wasteful number, since it uses less digits than its factorization.

135146919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958677.

The product of its digits is 29160, while the sum is 39.

The square root of 135146919 is about 11625.2707065255. The cubic root of 135146919 is about 513.1788113178.

The spelling of 135146919 in words is "one hundred thirty-five million, one hundred forty-six thousand, nine hundred nineteen".