140221100 has 36 divisors (see below), whose sum is σ = 322182504. Its totient is φ = 52788480.

The previous prime is 140221097. The next prime is 140221223. The reversal of 140221100 is 1122041.

140221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39542 + ... + 42941.

It is an arithmetic number, because the mean of its divisors is an integer number (8949514).

Almost surely, 2^140221100 is an apocalyptic number.

140221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140221100 is an abundant number, since it is smaller than the sum of its proper divisors (181961404).

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

140221100 is a wasteful number, since it uses less digits than its factorization.

140221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82514 (or 82507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 140221100 is about 11841.4990605075. The cubic root of 140221100 is about 519.5226141384.

Adding to 140221100 its reverse (1122041), we get a palindrome (141343141).

The spelling of 140221100 in words is "one hundred forty million, two hundred twenty-one thousand, one hundred".