19454134 has 16 divisors (see below), whose sum is σ = 33407136. Its totient is φ = 8323200.

The previous prime is 19454117. The next prime is 19454153. The reversal of 19454134 is 43145491.

It is a junction number, because it is equal to n+sod(n) for n = 19454096 and 19454105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13614 + ... + 14974.

It is an arithmetic number, because the mean of its divisors is an integer number (2087946).

Almost surely, 2^19454134 is an apocalyptic number.

19454134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19454134 is a deficient number, since it is larger than the sum of its proper divisors (13953002).

19454134 is a wasteful number, since it uses less digits than its factorization.

19454134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391.

The product of its digits is 8640, while the sum is 31.

The square root of 19454134 is about 4410.6840739278. The cubic root of 19454134 is about 268.9494337957.

The spelling of 19454134 in words is "nineteen million, four hundred fifty-four thousand, one hundred thirty-four".