134002019 has 4 divisors (see below), whose sum is σ = 134054160. Its totient is φ = 133949880.

The previous prime is 134002009. The next prime is 134002027. The reversal of 134002019 is 910200431.

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 134002019 - 2¹⁶ = 133936483 is a prime.

It is a super-2 number, since 2×134002019² = 35913082192152722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134002009) 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, 22004 + ... + 27425.

It is an arithmetic number, because the mean of its divisors is an integer number (33513540).

Almost surely, 2^134002019 is an apocalyptic number.

134002019 is a deficient number, since it is larger than the sum of its proper divisors (52141).

134002019 is an equidigital number, since it uses as much as digits as its factorization.

134002019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140.

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

The square root of 134002019 is about 11575.9241099793. The cubic root of 134002019 is about 511.7255647498.

The spelling of 134002019 in words is "one hundred thirty-four million, two thousand, nineteen".