109380542 has 4 divisors (see below), whose sum is σ = 164070816. Its totient is φ = 54690270.

The previous prime is 109380539. The next prime is 109380559. The reversal of 109380542 is 245083901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245083901 = 29 ⋅8451169.

It is a junction number, because it is equal to n+sod(n) for n = 109380499 and 109380508.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27345134 + ... + 27345137.

It is an arithmetic number, because the mean of its divisors is an integer number (41017704).

Almost surely, 2^109380542 is an apocalyptic number.

109380542 is a deficient number, since it is larger than the sum of its proper divisors (54690274).

109380542 is an equidigital number, since it uses as much as digits as its factorization.

109380542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54690273.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 109380542 is about 10458.5152865978. The cubic root of 109380542 is about 478.2408728630.

The spelling of 109380542 in words is "one hundred nine million, three hundred eighty thousand, five hundred forty-two".