134200019 has 6 divisors (see below), whose sum is σ = 135055116. Its totient is φ = 133350300.

The previous prime is 134200007. The next prime is 134200069. The reversal of 134200019 is 910002431.

It is a de Polignac number, because none of the positive numbers 2^k-134200019 is a prime.

It is a super-2 number, since 2×134200019² = 36019290199200722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134200069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24044 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (22509186).

Almost surely, 2^134200019 is an apocalyptic number.

134200019 is a deficient number, since it is larger than the sum of its proper divisors (855097).

134200019 is an frugal number, since it uses more digits than its factorization.

134200019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 134200019 is about 11584.4731861229. The cubic root of 134200019 is about 511.9774808516.

The spelling of 134200019 in words is "one hundred thirty-four million, two hundred thousand, nineteen".