109107628 has 24 divisors (see below), whose sum is σ = 225741600. Its totient is φ = 45147648.

The previous prime is 109107619. The next prime is 109107629. The reversal of 109107628 is 826701901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109107593 and 109107602.

It is not an unprimeable number, because it can be changed into a prime (109107629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66373 + ... + 67996.

It is an arithmetic number, because the mean of its divisors is an integer number (9405900).

Almost surely, 2^109107628 is an apocalyptic number.

It is an amenable number.

109107628 is an abundant number, since it is smaller than the sum of its proper divisors (116633972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109107628 is a wasteful number, since it uses less digits than its factorization.

109107628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134409 (or 134407 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 109107628 is about 10445.4596835180. The cubic root of 109107628 is about 477.8427906883.

The spelling of 109107628 in words is "one hundred nine million, one hundred seven thousand, six hundred twenty-eight".