19380145124 has 24 divisors (see below), whose sum is σ = 34560540000. Its totient is φ = 9506376320.

The previous prime is 19380145073. The next prime is 19380145151. The reversal of 19380145124 is 42154108391.

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, 32252 + ... + 199500.

It is an arithmetic number, because the mean of its divisors is an integer number (1440022500).

Almost surely, 2^19380145124 is an apocalyptic number.

It is an amenable number.

19380145124 is a deficient number, since it is larger than the sum of its proper divisors (15180394876).

19380145124 is a wasteful number, since it uses less digits than its factorization.

19380145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167803 (or 167801 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 19380145124 in words is "nineteen billion, three hundred eighty million, one hundred forty-five thousand, one hundred twenty-four".