109517964 has 12 divisors (see below), whose sum is σ = 255541944. Its totient is φ = 36505984.

The previous prime is 109517959. The next prime is 109517977. The reversal of 109517964 is 469715901.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4563237 + ... + 4563260.

It is an arithmetic number, because the mean of its divisors is an integer number (21295162).

Almost surely, 2^109517964 is an apocalyptic number.

It is an amenable number.

109517964 is an abundant number, since it is smaller than the sum of its proper divisors (146023980).

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

109517964 is a wasteful number, since it uses less digits than its factorization.

109517964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126504 (or 9126502 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 109517964 is about 10465.0830861489. The cubic root of 109517964 is about 478.4410709120.

It can be divided in two parts, 10951 and 7964, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 109517964 in words is "one hundred nine million, five hundred seventeen thousand, nine hundred sixty-four".