109196539 has 12 divisors (see below), whose sum is σ = 114457152. Its totient is φ = 104068800.

The previous prime is 109196537. The next prime is 109196561. The reversal of 109196539 is 935691901.

It is not a de Polignac number, because 109196539 - 2¹ = 109196537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109196495 and 109196504.

It is not an unprimeable number, because it can be changed into a prime (109196531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164869 + ... + 165529.

It is an arithmetic number, because the mean of its divisors is an integer number (9538096).

Almost surely, 2^109196539 is an apocalyptic number.

109196539 is a deficient number, since it is larger than the sum of its proper divisors (5260613).

109196539 is an frugal number, since it uses more digits than its factorization.

109196539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 109196539 is about 10449.7147807967. The cubic root of 109196539 is about 477.9725523008.

The spelling of 109196539 in words is "one hundred nine million, one hundred ninety-six thousand, five hundred thirty-nine".