134505519 has 8 divisors (see below), whose sum is σ = 179520432. Its totient is φ = 89580480.

The previous prime is 134505499. The next prime is 134505523. The reversal of 134505519 is 915505431.

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

It is not a de Polignac number, because 134505519 - 2⁷ = 134505391 is a prime.

It is a super-2 number, since 2×134505519² = 36183469282918722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134505519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134505529) 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, 18894 + ... + 25019.

It is an arithmetic number, because the mean of its divisors is an integer number (22440054).

Almost surely, 2^134505519 is an apocalyptic number.

134505519 is a deficient number, since it is larger than the sum of its proper divisors (45014913).

134505519 is a wasteful number, since it uses less digits than its factorization.

134505519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44937.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 134505519 is about 11597.6514432880. The cubic root of 134505519 is about 512.3656839369.

The spelling of 134505519 in words is "one hundred thirty-four million, five hundred five thousand, five hundred nineteen".