140052224 has 36 divisors (see below), whose sum is σ = 301068936. Its totient is φ = 64637952.

The previous prime is 140052217. The next prime is 140052229. The reversal of 140052224 is 422250041.

It is a happy number.

It is a super-2 number, since 2×140052224² = 39229250894692352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140052196 and 140052205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17714 + ... + 24369.

It is an arithmetic number, because the mean of its divisors is an integer number (8363026).

Almost surely, 2^140052224 is an apocalyptic number.

It is an amenable number.

140052224 is an abundant number, since it is smaller than the sum of its proper divisors (161016712).

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

140052224 is an equidigital number, since it uses as much as digits as its factorization.

140052224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112 (or 42098 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140052224 is about 11834.3662272215. The cubic root of 140052224 is about 519.3139671138.

The spelling of 140052224 in words is "one hundred forty million, fifty-two thousand, two hundred twenty-four".