19139314 has 12 divisors (see below), whose sum is σ = 30497994. Its totient is φ = 9006464.

The previous prime is 19139303. The next prime is 19139347. The reversal of 19139314 is 41393191.

It can be written as a sum of positive squares in 3 ways, for example, as 18105025 + 1034289 = 4255^2 + 1017^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15979 + ... + 17134.

Almost surely, 2^19139314 is an apocalyptic number.

19139314 is a deficient number, since it is larger than the sum of its proper divisors (11358680).

19139314 is a wasteful number, since it uses less digits than its factorization.

19139314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33149 (or 33132 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 19139314 is about 4374.8501688629. The cubic root of 19139314 is about 267.4907627753.

The spelling of 19139314 in words is "nineteen million, one hundred thirty-nine thousand, three hundred fourteen".