134008019 has 2 divisors, whose sum is σ = 134008020. Its totient is φ = 134008018.

The previous prime is 134008013. The next prime is 134008031. The reversal of 134008019 is 910800431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134008019 - 2⁴ = 134008003 is a prime.

It is a super-2 number, since 2×134008019² = 35916298312608722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134008013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67004009 + 67004010.

It is an arithmetic number, because the mean of its divisors is an integer number (67004010).

Almost surely, 2^134008019 is an apocalyptic number.

134008019 is a deficient number, since it is larger than the sum of its proper divisors (1).

134008019 is an equidigital number, since it uses as much as digits as its factorization.

134008019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 134008019 is about 11576.1832656537. The cubic root of 134008019 is about 511.7332022157.

The spelling of 134008019 in words is "one hundred thirty-four million, eight thousand, nineteen".