134919 has 16 divisors (see below), whose sum is σ = 211200. Its totient is φ = 84888.

The previous prime is 134917. The next prime is 134921. The reversal of 134919 is 919431.

It is an interprime number because it is at equal distance from previous prime (134917) and next prime (134921).

It is not a de Polignac number, because 134919 - 2¹ = 134917 is a prime.

It is a super-2 number, since 2×134919² = 36406273122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

134919 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 134892 and 134901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (13200).

2¹³⁴⁹¹⁹ is an apocalyptic number.

134919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

134919 is a deficient number, since it is larger than the sum of its proper divisors (76281).

134919 is a wasteful number, since it uses less digits than its factorization.

134919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 285 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 134919 is about 367.3132178400. The cubic root of 134919 is about 51.2890164920.

The spelling of 134919 in words is "one hundred thirty-four thousand, nine hundred nineteen".