19182148140 has 24 divisors (see below), whose sum is σ = 53710014960. Its totient is φ = 5115239488.

The previous prime is 19182148129. The next prime is 19182148147. The reversal of 19182148140 is 4184128191.

It is not an unprimeable number, because it can be changed into a prime (19182148147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159851175 + ... + 159851294.

It is an arithmetic number, because the mean of its divisors is an integer number (2237917290).

Almost surely, 2^19182148140 is an apocalyptic number.

19182148140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19182148140 is an abundant number, since it is smaller than the sum of its proper divisors (34527866820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19182148140 is a wasteful number, since it uses less digits than its factorization.

19182148140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319702481 (or 319702479 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The spelling of 19182148140 in words is "nineteen billion, one hundred eighty-two million, one hundred forty-eight thousand, one hundred forty".