140441432 has 32 divisors (see below), whose sum is σ = 274546800. Its totient is φ = 67267200.

The previous prime is 140441401. The next prime is 140441453. The reversal of 140441432 is 234144041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140441398 and 140441407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28082 + ... + 32702.

Almost surely, 2^140441432 is an apocalyptic number.

It is an amenable number.

140441432 is a deficient number, since it is larger than the sum of its proper divisors (134105368).

140441432 is a wasteful number, since it uses less digits than its factorization.

140441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140441432 is about 11850.7987916427. The cubic root of 140441432 is about 519.7945835590.

Adding to 140441432 its reverse (234144041), we get a palindrome (374585473).

The spelling of 140441432 in words is "one hundred forty million, four hundred forty-one thousand, four hundred thirty-two".