109540780 has 24 divisors (see below), whose sum is σ = 235387152. Its totient is φ = 42796992.

The previous prime is 109540751. The next prime is 109540787. The reversal of 109540780 is 87045901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109540787) 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, 62827 + ... + 64546.

It is an arithmetic number, because the mean of its divisors is an integer number (9807798).

Almost surely, 2^109540780 is an apocalyptic number.

109540780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109540780 is an abundant number, since it is smaller than the sum of its proper divisors (125846372).

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

109540780 is a wasteful number, since it uses less digits than its factorization.

109540780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127425 (or 127423 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 109540780 is about 10466.1731306146. The cubic root of 109540780 is about 478.4742933262.

The spelling of 109540780 in words is "one hundred nine million, five hundred forty thousand, seven hundred eighty".