19146113 has 6 divisors (see below), whose sum is σ = 22272066. Its totient is φ = 16410912.

The previous prime is 19146103. The next prime is 19146133. The reversal of 19146113 is 31164191.

It can be written as a sum of positive squares in only one way, i.e., 17875984 + 1270129 = 4228^2 + 1127^2 .

It is not a de Polignac number, because 19146113 - 2⁸ = 19145857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19146103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195320 + ... + 195417.

It is an arithmetic number, because the mean of its divisors is an integer number (3712011).

Almost surely, 2^19146113 is an apocalyptic number.

It is an amenable number.

19146113 is a deficient number, since it is larger than the sum of its proper divisors (3125953).

19146113 is an equidigital number, since it uses as much as digits as its factorization.

19146113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390751 (or 390744 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 19146113 is about 4375.6271550487. The cubic root of 19146113 is about 267.5224332658.

The spelling of 19146113 in words is "nineteen million, one hundred forty-six thousand, one hundred thirteen".