140522432 has 28 divisors (see below), whose sum is σ = 279288240. Its totient is φ = 70150656.

The previous prime is 140522401. The next prime is 140522441. The reversal of 140522432 is 234225041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140522398 and 140522407.

It is a congruent number.

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, 52388 + ... + 55004.

It is an arithmetic number, because the mean of its divisors is an integer number (9974580).

Almost surely, 2^140522432 is an apocalyptic number.

It is an amenable number.

140522432 is a deficient number, since it is larger than the sum of its proper divisors (138765808).

140522432 is an equidigital number, since it uses as much as digits as its factorization.

140522432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 140522432 is about 11854.2157901736. The cubic root of 140522432 is about 519.8944953605.

Adding to 140522432 its reverse (234225041), we get a palindrome (374747473).

The spelling of 140522432 in words is "one hundred forty million, five hundred twenty-two thousand, four hundred thirty-two".