140432412 has 12 divisors (see below), whose sum is σ = 327675656. Its totient is φ = 46810800.

The previous prime is 140432371. The next prime is 140432437. The reversal of 140432412 is 214234041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5851339 + ... + 5851362.

Almost surely, 2^140432412 is an apocalyptic number.

140432412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140432412 is an abundant number, since it is smaller than the sum of its proper divisors (187243244).

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

140432412 is a wasteful number, since it uses less digits than its factorization.

140432412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702708 (or 11702706 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140432412 is about 11850.4182204680. The cubic root of 140432412 is about 519.7834552012.

Adding to 140432412 its reverse (214234041), we get a palindrome (354666453).

The spelling of 140432412 in words is "one hundred forty million, four hundred thirty-two thousand, four hundred twelve".