109135081814 has 16 divisors (see below), whose sum is σ = 178602955776. Its totient is φ = 49601778600.

The previous prime is 109135081813. The next prime is 109135081823. The reversal of 109135081814 is 418180531901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109135081813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29582 + ... + 468129.

It is an arithmetic number, because the mean of its divisors is an integer number (11162684736).

Almost surely, 2^109135081814 is an apocalyptic number.

109135081814 is a deficient number, since it is larger than the sum of its proper divisors (69467873962).

109135081814 is a wasteful number, since it uses less digits than its factorization.

109135081814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507691.

The product of its (nonzero) digits is 34560, while the sum is 41.

The spelling of 109135081814 in words is "one hundred nine billion, one hundred thirty-five million, eighty-one thousand, eight hundred fourteen".