109289146 has 16 divisors (see below), whose sum is σ = 171304704. Its totient is φ = 52194384.

The previous prime is 109289129. The next prime is 109289179. The reversal of 109289146 is 641982901.

It is a junction number, because it is equal to n+sod(n) for n = 109289099 and 109289108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44671 + ... + 47053.

It is an arithmetic number, because the mean of its divisors is an integer number (10706544).

Almost surely, 2^109289146 is an apocalyptic number.

109289146 is a deficient number, since it is larger than the sum of its proper divisors (62015558).

109289146 is a wasteful number, since it uses less digits than its factorization.

109289146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 109289146 is about 10454.1449196001. The cubic root of 109289146 is about 478.1076331909.

The spelling of 109289146 in words is "one hundred nine million, two hundred eighty-nine thousand, one hundred forty-six".