109007540 has 12 divisors (see below), whose sum is σ = 228915876. Its totient is φ = 43603008.

The previous prime is 109007539. The next prime is 109007551. The reversal of 109007540 is 45700901.

It can be written as a sum of positive squares in 2 ways, for example, as 36893476 + 72114064 = 6074^2 + 8492^2 .

It is a congruent number.

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, 2725169 + ... + 2725208.

It is an arithmetic number, because the mean of its divisors is an integer number (19076323).

Almost surely, 2^109007540 is an apocalyptic number.

109007540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109007540 is an abundant number, since it is smaller than the sum of its proper divisors (119908336).

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

109007540 is a wasteful number, since it uses less digits than its factorization.

109007540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450386 (or 5450384 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 109007540 is about 10440.6676031756. The cubic root of 109007540 is about 477.6966323742.

The spelling of 109007540 in words is "one hundred nine million, seven thousand, five hundred forty".