134303819 has 4 divisors (see below), whose sum is σ = 144634896. Its totient is φ = 123972744.

The previous prime is 134303809. The next prime is 134303833. The reversal of 134303819 is 918303431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134303819 - 2¹⁶ = 134238283 is a prime.

It is a super-2 number, since 2×134303819² = 36075031595969522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134303809) 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, 5165519 + ... + 5165544.

It is an arithmetic number, because the mean of its divisors is an integer number (36158724).

Almost surely, 2^134303819 is an apocalyptic number.

134303819 is a deficient number, since it is larger than the sum of its proper divisors (10331077).

134303819 is a wasteful number, since it uses less digits than its factorization.

134303819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331076.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 134303819 is about 11588.9524548166. The cubic root of 134303819 is about 512.1094469700.

The spelling of 134303819 in words is "one hundred thirty-four million, three hundred three thousand, eight hundred nineteen".