19134994 has 8 divisors (see below), whose sum is σ = 29478348. Its totient is φ = 9308880.

The previous prime is 19134991. The next prime is 19135007. The reversal of 19134994 is 49943191.

It can be written as a sum of positive squares in 2 ways, for example, as 19035769 + 99225 = 4363^2 + 315^2 .

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

It is a super-2 number, since 2×19134994² = 732295990760072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19134991) 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, 129217 + ... + 129364.

Almost surely, 2^19134994 is an apocalyptic number.

19134994 is a deficient number, since it is larger than the sum of its proper divisors (10343354).

19134994 is a wasteful number, since it uses less digits than its factorization.

19134994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258620.

The product of its digits is 34992, while the sum is 40.

The square root of 19134994 is about 4374.3564098048. The cubic root of 19134994 is about 267.4706358427.

The spelling of 19134994 in words is "nineteen million, one hundred thirty-four thousand, nine hundred ninety-four".