109019541 has 4 divisors (see below), whose sum is σ = 145359392. Its totient is φ = 72679692.

The previous prime is 109019527. The next prime is 109019543. The reversal of 109019541 is 145910901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 109019541 - 2¹⁰ = 109018517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109019499 and 109019508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109019543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18169921 + ... + 18169926.

It is an arithmetic number, because the mean of its divisors is an integer number (36339848).

Almost surely, 2^109019541 is an apocalyptic number.

It is an amenable number.

109019541 is a deficient number, since it is larger than the sum of its proper divisors (36339851).

109019541 is an equidigital number, since it uses as much as digits as its factorization.

109019541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36339850.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 109019541 is about 10441.2423111429. The cubic root of 109019541 is about 477.7141621307.

The spelling of 109019541 in words is "one hundred nine million, nineteen thousand, five hundred forty-one".