109535420 has 48 divisors (see below), whose sum is σ = 245796768. Its totient is φ = 40857600.

The previous prime is 109535411. The next prime is 109535497. The reversal of 109535420 is 24535901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36995 + ... + 39845.

It is an arithmetic number, because the mean of its divisors is an integer number (5120766).

Almost surely, 2^109535420 is an apocalyptic number.

109535420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109535420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122898384).

109535420 is an abundant number, since it is smaller than the sum of its proper divisors (136261348).

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

109535420 is a wasteful number, since it uses less digits than its factorization.

109535420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 109535420 is about 10465.9170644526. The cubic root of 109535420 is about 478.4664890362.

The spelling of 109535420 in words is "one hundred nine million, five hundred thirty-five thousand, four hundred twenty".