109213508 has 12 divisors (see below), whose sum is σ = 202366332. Its totient is φ = 51394560.

The previous prime is 109213487. The next prime is 109213541. The reversal of 109213508 is 805312901.

It can be written as a sum of positive squares in 2 ways, for example, as 79423744 + 29789764 = 8912^2 + 5458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802973 + ... + 803108.

It is an arithmetic number, because the mean of its divisors is an integer number (16863861).

Almost surely, 2^109213508 is an apocalyptic number.

It is an amenable number.

109213508 is a deficient number, since it is larger than the sum of its proper divisors (93152824).

109213508 is a wasteful number, since it uses less digits than its factorization.

109213508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606102 (or 1606100 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 109213508 is about 10450.5266852920. The cubic root of 109213508 is about 477.9973097892.

The spelling of 109213508 in words is "one hundred nine million, two hundred thirteen thousand, five hundred eight".