19140397082 has 16 divisors (see below), whose sum is σ = 29021769504. Its totient is φ = 9466650000.

The previous prime is 19140397079. The next prime is 19140397127. The reversal of 19140397082 is 28079304191.

19140397082 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×19140397082² (a number of 21 digits) contains 22 as substring.

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, 176957 + ... + 263807.

It is an arithmetic number, because the mean of its divisors is an integer number (1813860594).

Almost surely, 2^19140397082 is an apocalyptic number.

19140397082 is a deficient number, since it is larger than the sum of its proper divisors (9881372422).

19140397082 is a wasteful number, since it uses less digits than its factorization.

19140397082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88045.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 19140397082 in words is "nineteen billion, one hundred forty million, three hundred ninety-seven thousand, eighty-two".