109139802 has 16 divisors (see below), whose sum is σ = 218674080. Its totient is φ = 36314192.

The previous prime is 109139801. The next prime is 109139803. The reversal of 109139802 is 208931901.

It is an interprime number because it is at equal distance from previous prime (109139801) and next prime (109139803).

It is a super-2 number, since 2×109139802² = 23822992761198408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109139801) 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, 12777 + ... + 19532.

It is an arithmetic number, because the mean of its divisors is an integer number (13667130).

Almost surely, 2^109139802 is an apocalyptic number.

109139802 is an abundant number, since it is smaller than the sum of its proper divisors (109534278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109139802 is a wasteful number, since it uses less digits than its factorization.

109139802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32877.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 109139802 is about 10446.9996649756. Note that the first 3 decimals coincide. The cubic root of 109139802 is about 477.8897553332.

The spelling of 109139802 in words is "one hundred nine million, one hundred thirty-nine thousand, eight hundred two".