108415140 has 48 divisors (see below), whose sum is σ = 319542720. Its totient is φ = 27388800.

The previous prime is 108415129. The next prime is 108415141. The reversal of 108415140 is 41514801.

It is a self number, because there is not a number n which added to its sum of digits gives 108415140.

It is not an unprimeable number, because it can be changed into a prime (108415141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46411 + ... + 48690.

It is an arithmetic number, because the mean of its divisors is an integer number (6657140).

Almost surely, 2^108415140 is an apocalyptic number.

108415140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108415140 is an abundant number, since it is smaller than the sum of its proper divisors (211127580).

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

108415140 is a wasteful number, since it uses less digits than its factorization.

108415140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95132 (or 95130 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 108415140 is about 10412.2591208633. The cubic root of 108415140 is about 476.8297147618.

Adding to 108415140 its reverse (41514801), we get a palindrome (149929941).

The spelling of 108415140 in words is "one hundred eight million, four hundred fifteen thousand, one hundred forty".