140432013441 has 40 divisors (see below), whose sum is σ = 223742847240. Its totient is φ = 87470917632.

The previous prime is 140432013391. The next prime is 140432013479. The reversal of 140432013441 is 144310234041.

140432013441 is a `hidden beast` number, since 14 + 0 + 4 + 3 + 201 + 3 + 441 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 64785011841 + 75647001600 = 254529^2 + 275040^2 .

It is not a de Polignac number, because 140432013441 - 2²³ = 140423624833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140432013341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183556 + ... + 560853.

It is an arithmetic number, because the mean of its divisors is an integer number (5593571181).

Almost surely, 2^140432013441 is an apocalyptic number.

It is an amenable number.

140432013441 is a deficient number, since it is larger than the sum of its proper divisors (83310833799).

140432013441 is a wasteful number, since it uses less digits than its factorization.

140432013441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744575 (or 744566 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140432013441 its reverse (144310234041), we get a palindrome (284742247482).

The spelling of 140432013441 in words is "one hundred forty billion, four hundred thirty-two million, thirteen thousand, four hundred forty-one".