140221132 has 12 divisors (see below), whose sum is σ = 245550760. Its totient is φ = 70063776.

The previous prime is 140221097. The next prime is 140221223. The reversal of 140221132 is 231122041.

140221132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140221132² = 39323931718722848, which contains 22 as substring.

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, 4458 + ... + 17329.

Almost surely, 2^140221132 is an apocalyptic number.

It is an amenable number.

140221132 is a deficient number, since it is larger than the sum of its proper divisors (105329628).

140221132 is a wasteful number, since it uses less digits than its factorization.

140221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23400 (or 23398 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140221132 is about 11841.5004116877. The cubic root of 140221132 is about 519.5226536587.

Adding to 140221132 its reverse (231122041), we get a palindrome (371343173).

Subtracting 140221132 from its reverse (231122041), we obtain a palindrome (90900909).

The spelling of 140221132 in words is "one hundred forty million, two hundred twenty-one thousand, one hundred thirty-two".