109513620 has 60 divisors (see below), whose sum is σ = 343553364. Its totient is φ = 29203200.

The previous prime is 109513597. The next prime is 109513639. The reversal of 109513620 is 26315901.

It can be written as a sum of positive squares in 2 ways, for example, as 87272964 + 22240656 = 9342^2 + 4716^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32181 + ... + 35420.

Almost surely, 2^109513620 is an apocalyptic number.

109513620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109513620 is an abundant number, since it is smaller than the sum of its proper divisors (234039744).

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

109513620 is a wasteful number, since it uses less digits than its factorization.

109513620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67622 (or 67611 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 109513620 is about 10464.8755367658. The cubic root of 109513620 is about 478.4347450837.

The spelling of 109513620 in words is "one hundred nine million, five hundred thirteen thousand, six hundred twenty".