134768019 has 8 divisors (see below), whose sum is σ = 179927440. Its totient is φ = 89726976.

The previous prime is 134768009. The next prime is 134768033. The reversal of 134768019 is 910867431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134768019 - 2¹⁹ = 134243731 is a prime.

It is a super-2 number, since 2×134768019² = 36324837890368722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134768009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26902 + ... + 31515.

It is an arithmetic number, because the mean of its divisors is an integer number (22490930).

Almost surely, 2^134768019 is an apocalyptic number.

134768019 is a deficient number, since it is larger than the sum of its proper divisors (45159421).

134768019 is an equidigital number, since it uses as much as digits as its factorization.

134768019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59189.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 134768019 is about 11608.9628735732. The cubic root of 134768019 is about 512.6987770669.

The spelling of 134768019 in words is "one hundred thirty-four million, seven hundred sixty-eight thousand, nineteen".