134009019 has 16 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 89099208.

The previous prime is 134008997. The next prime is 134009039. The reversal of 134009019 is 910900431.

It is a de Polignac number, because none of the positive numbers 2^k-134009019 is a prime.

It is a super-2 number, since 2×134009019² = 35916834346684722, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 134008983 and 134009001.

It is not an unprimeable number, because it can be changed into a prime (134009039) 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, 3862 + ... + 16820.

It is an arithmetic number, because the mean of its divisors is an integer number (12441600).

Almost surely, 2^134009019 is an apocalyptic number.

134009019 is a deficient number, since it is larger than the sum of its proper divisors (65056581).

134009019 is a wasteful number, since it uses less digits than its factorization.

134009019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13351 (or 13345 counting only the distinct ones).

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

The square root of 134009019 is about 11576.2264577020. The cubic root of 134009019 is about 511.7344751045.

The spelling of 134009019 in words is "one hundred thirty-four million, nine thousand, nineteen".