140218100 has 72 divisors (see below), whose sum is σ = 349456800. Its totient is φ = 48297600.

The previous prime is 140218093. The next prime is 140218129. The reversal of 140218100 is 1812041.

It is a super-2 number, since 2×140218100² = 39322231135220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17546 + ... + 24254.

Almost surely, 2^140218100 is an apocalyptic number.

140218100 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 140218100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174728400).

140218100 is an abundant number, since it is smaller than the sum of its proper divisors (209238700).

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

140218100 is a wasteful number, since it uses less digits than its factorization.

140218100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753 (or 6746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 140218100 is about 11841.3723866788. The cubic root of 140218100 is about 519.5189090875.

The spelling of 140218100 in words is "one hundred forty million, two hundred eighteen thousand, one hundred".