140432036 has 72 divisors (see below), whose sum is σ = 278510400. Its totient is φ = 61841920.

The previous prime is 140432029. The next prime is 140432051. The reversal of 140432036 is 630234041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1977881 + ... + 1977951.

It is an arithmetic number, because the mean of its divisors is an integer number (3868200).

Almost surely, 2^140432036 is an apocalyptic number.

It is an amenable number.

140432036 is a deficient number, since it is larger than the sum of its proper divisors (138078364).

140432036 is a wasteful number, since it uses less digits than its factorization.

140432036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140432036 is about 11850.4023560384. The cubic root of 140432036 is about 519.7829913036.

Adding to 140432036 its reverse (630234041), we get a palindrome (770666077).

The spelling of 140432036 in words is "one hundred forty million, four hundred thirty-two thousand, thirty-six".