109135636 has 12 divisors (see below), whose sum is σ = 191958228. Its totient is φ = 54290432.

The previous prime is 109135633. The next prime is 109135643. The reversal of 109135636 is 636531901.

It can be written as a sum of positive squares in 2 ways, for example, as 54464400 + 54671236 = 7380^2 + 7394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109135633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68461 + ... + 70036.

It is an arithmetic number, because the mean of its divisors is an integer number (15996519).

Almost surely, 2^109135636 is an apocalyptic number.

It is an amenable number.

109135636 is a deficient number, since it is larger than the sum of its proper divisors (82822592).

109135636 is a wasteful number, since it uses less digits than its factorization.

109135636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138698 (or 138696 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 109135636 is about 10446.8002756825. The cubic root of 109135636 is about 477.8836747100.

The spelling of 109135636 in words is "one hundred nine million, one hundred thirty-five thousand, six hundred thirty-six".