109291088 has 30 divisors (see below), whose sum is σ = 216349434. Its totient is φ = 53465152.

The previous prime is 109291087. The next prime is 109291099. The reversal of 109291088 is 880192901.

It can be written as a sum of positive squares in only one way, i.e., 101042704 + 8248384 = 10052^2 + 2872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109291087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304253 + ... + 304611.

Almost surely, 2^109291088 is an apocalyptic number.

It is an amenable number.

109291088 is a deficient number, since it is larger than the sum of its proper divisors (107058346).

109291088 is an frugal number, since it uses more digits than its factorization.

109291088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 109291088 is about 10454.2378010068. The cubic root of 109291088 is about 478.1104650657.

The spelling of 109291088 in words is "one hundred nine million, two hundred ninety-one thousand, eighty-eight".