19134542 has 8 divisors (see below), whose sum is σ = 32802096. Its totient is φ = 8200512.

The previous prime is 19134529. The next prime is 19134547. The reversal of 19134542 is 24543191.

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

It is a super-2 number, since 2×19134542² = 732261395099528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19134547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683363 + ... + 683390.

It is an arithmetic number, because the mean of its divisors is an integer number (4100262).

Almost surely, 2^19134542 is an apocalyptic number.

19134542 is a deficient number, since it is larger than the sum of its proper divisors (13667554).

19134542 is a wasteful number, since it uses less digits than its factorization.

19134542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366762.

The product of its digits is 4320, while the sum is 29.

The square root of 19134542 is about 4374.3047447566. The cubic root of 19134542 is about 267.4685297942.

The spelling of 19134542 in words is "nineteen million, one hundred thirty-four thousand, five hundred forty-two".