108142040 has 16 divisors (see below), whose sum is σ = 243319680. Its totient is φ = 43256800.

The previous prime is 108142039. The next prime is 108142093. The reversal of 108142040 is 40241801.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1351736 + ... + 1351815.

It is an arithmetic number, because the mean of its divisors is an integer number (15207480).

Almost surely, 2^108142040 is an apocalyptic number.

108142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108142040 is an abundant number, since it is smaller than the sum of its proper divisors (135177640).

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

108142040 is a wasteful number, since it uses less digits than its factorization.

108142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703562 (or 2703558 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 108142040 is about 10399.1365026141. The cubic root of 108142040 is about 476.4289967670.

Adding to 108142040 its reverse (40241801), we get a palindrome (148383841).

The spelling of 108142040 in words is "one hundred eight million, one hundred forty-two thousand, forty".