19252005142 has 8 divisors (see below), whose sum is σ = 29284740432. Its totient is φ = 9490425000.

The previous prime is 19252005139. The next prime is 19252005161. The reversal of 19252005142 is 24150025291.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67788609 + ... + 67788892.

It is an arithmetic number, because the mean of its divisors is an integer number (3660592554).

Almost surely, 2^19252005142 is an apocalyptic number.

19252005142 is a deficient number, since it is larger than the sum of its proper divisors (10032735290).

19252005142 is a wasteful number, since it uses less digits than its factorization.

19252005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135577574.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 19252005142 in words is "nineteen billion, two hundred fifty-two million, five thousand, one hundred forty-two".