19317141 has 12 divisors (see below), whose sum is σ = 28496832. Its totient is φ = 12603816.

The previous prime is 19317127. The next prime is 19317169. The reversal of 19317141 is 14171391.

It is not a de Polignac number, because 19317141 - 2⁹ = 19316629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19317101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22411 + ... + 23256.

It is an arithmetic number, because the mean of its divisors is an integer number (2374736).

Almost surely, 2^19317141 is an apocalyptic number.

It is an amenable number.

19317141 is a deficient number, since it is larger than the sum of its proper divisors (9179691).

19317141 is a wasteful number, since it uses less digits than its factorization.

19317141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45720 (or 45717 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 19317141 is about 4395.1269606235. The cubic root of 19317141 is about 268.3166460395.

The spelling of 19317141 in words is "nineteen million, three hundred seventeen thousand, one hundred forty-one".