140142100 has 144 divisors (see below), whose sum is σ = 376225920. Its totient is φ = 44236800.

The previous prime is 140142083. The next prime is 140142113. The reversal of 140142100 is 1241041.

140142100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 545172 + ... + 545428.

It is an arithmetic number, because the mean of its divisors is an integer number (2612680).

Almost surely, 2^140142100 is an apocalyptic number.

140142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140142100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188112960).

140142100 is an abundant number, since it is smaller than the sum of its proper divisors (236083820).

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

140142100 is a wasteful number, since it uses less digits than its factorization.

140142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140142100 is about 11838.1628642286. The cubic root of 140142100 is about 519.4250301642.

Adding to 140142100 its reverse (1241041), we get a palindrome (141383141).

The spelling of 140142100 in words is "one hundred forty million, one hundred forty-two thousand, one hundred".