109087538 has 32 divisors (see below), whose sum is σ = 198785664. Its totient is φ = 43828992.

The previous prime is 109087529. The next prime is 109087541. The reversal of 109087538 is 835780901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109087495 and 109087504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72320 + ... + 73812.

It is an arithmetic number, because the mean of its divisors is an integer number (6212052).

Almost surely, 2^109087538 is an apocalyptic number.

109087538 is a deficient number, since it is larger than the sum of its proper divisors (89698126).

109087538 is a wasteful number, since it uses less digits than its factorization.

109087538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 109087538 is about 10444.4979774042. The cubic root of 109087538 is about 477.8134604722.

The spelling of 109087538 in words is "one hundred nine million, eighty-seven thousand, five hundred thirty-eight".