109739523 has 8 divisors (see below), whose sum is σ = 146415808. Its totient is φ = 73111464.

The previous prime is 109739519. The next prime is 109739537. The reversal of 109739523 is 325937901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109739523 - 2² = 109739519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109739503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6361 + ... + 16122.

It is an arithmetic number, because the mean of its divisors is an integer number (18301976).

Almost surely, 2^109739523 is an apocalyptic number.

109739523 is a deficient number, since it is larger than the sum of its proper divisors (36676285).

109739523 is a wasteful number, since it uses less digits than its factorization.

109739523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 109739523 is about 10475.6633680164. The cubic root of 109739523 is about 478.7634884069.

The spelling of 109739523 in words is "one hundred nine million, seven hundred thirty-nine thousand, five hundred twenty-three".