109029540 has 24 divisors (see below), whose sum is σ = 305282880. Its totient is φ = 29074528.

The previous prime is 109029523. The next prime is 109029541. The reversal of 109029540 is 45920901.

It is a happy number.

It is a super-2 number, since 2×109029540² = 23774881185223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 109029498 and 109029507.

It is not an unprimeable number, because it can be changed into a prime (109029541) 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, 908520 + ... + 908639.

It is an arithmetic number, because the mean of its divisors is an integer number (12720120).

Almost surely, 2^109029540 is an apocalyptic number.

109029540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109029540 is an abundant number, since it is smaller than the sum of its proper divisors (196253340).

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

109029540 is a wasteful number, since it uses less digits than its factorization.

109029540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817171 (or 1817169 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 109029540 is about 10441.7211224970. The cubic root of 109029540 is about 477.7287666008.

The spelling of 109029540 in words is "one hundred nine million, twenty-nine thousand, five hundred forty".