109139480 has 32 divisors (see below), whose sum is σ = 246108240. Its totient is φ = 43559040.

The previous prime is 109139467. The next prime is 109139483. The reversal of 109139480 is 84931901.

It is a super-2 number, since 2×109139480² = 23822852189340800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109139480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109139483) 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, 16862 + ... + 22418.

Almost surely, 2^109139480 is an apocalyptic number.

109139480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109139480 is an abundant number, since it is smaller than the sum of its proper divisors (136968760).

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

109139480 is a wasteful number, since it uses less digits than its factorization.

109139480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 109139480 is about 10446.9842538409. The cubic root of 109139480 is about 477.8892853530.

The spelling of 109139480 in words is "one hundred nine million, one hundred thirty-nine thousand, four hundred eighty".