19140275 has 48 divisors (see below), whose sum is σ = 30259968. Its totient is φ = 11664000.

The previous prime is 19140271. The next prime is 19140287. The reversal of 19140275 is 57204191.

It is not a de Polignac number, because 19140275 - 2² = 19140271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19140271) 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 47 ways as a sum of consecutive naturals, for example, 117344 + ... + 117506.

It is an arithmetic number, because the mean of its divisors is an integer number (630416).

Almost surely, 2^19140275 is an apocalyptic number.

19140275 is a deficient number, since it is larger than the sum of its proper divisors (11119693).

19140275 is a wasteful number, since it uses less digits than its factorization.

19140275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 19140275 is about 4374.9599998171. The cubic root of 19140275 is about 267.4952396742.

The spelling of 19140275 in words is "nineteen million, one hundred forty thousand, two hundred seventy-five".