19540113 has 16 divisors (see below), whose sum is σ = 28372800. Its totient is φ = 11914560.

The previous prime is 19540061. The next prime is 19540121. The reversal of 19540113 is 31104591.

It is not a de Polignac number, because 19540113 - 2¹³ = 19531921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19540163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4258 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (1773300).

Almost surely, 2^19540113 is an apocalyptic number.

It is an amenable number.

19540113 is a deficient number, since it is larger than the sum of its proper divisors (8832687).

19540113 is a wasteful number, since it uses less digits than its factorization.

19540113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 19540113 is about 4420.4200026694. The cubic root of 19540113 is about 269.3450655704.

The spelling of 19540113 in words is "nineteen million, five hundred forty thousand, one hundred thirteen".