19140481 has 8 divisors (see below), whose sum is σ = 19795104. Its totient is φ = 18494880.

The previous prime is 19140469. The next prime is 19140497. The reversal of 19140481 is 18404191.

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

It is a cyclic number.

It is not a de Polignac number, because 19140481 - 2⁵ = 19140449 is a prime.

It is a super-2 number, since 2×19140481² = 732716025822722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19140431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (2474388).

Almost surely, 2^19140481 is an apocalyptic number.

It is an amenable number.

19140481 is a deficient number, since it is larger than the sum of its proper divisors (654623).

19140481 is a wasteful number, since it uses less digits than its factorization.

19140481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 19140481 is about 4374.9835428262. The cubic root of 19140481 is about 267.4961993229.

The spelling of 19140481 in words is "nineteen million, one hundred forty thousand, four hundred eighty-one".