109129470 has 32 divisors (see below), whose sum is σ = 262271520. Its totient is φ = 29061120.

The previous prime is 109129463. The next prime is 109129487. The reversal of 109129470 is 74921901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24366 + ... + 28494.

It is an arithmetic number, because the mean of its divisors is an integer number (8195985).

Almost surely, 2^109129470 is an apocalyptic number.

109129470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109129470 is an abundant number, since it is smaller than the sum of its proper divisors (153142050).

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

109129470 is a wasteful number, since it uses less digits than its factorization.

109129470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 109129470 is about 10446.5051572284. The cubic root of 109129470 is about 477.8746746365.

The spelling of 109129470 in words is "one hundred nine million, one hundred twenty-nine thousand, four hundred seventy".