140432142401 has 4 divisors (see below), whose sum is σ = 145274630100. Its totient is φ = 135589654704.

The previous prime is 140432142371. The next prime is 140432142413. The reversal of 140432142401 is 104241234041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92567454001 + 47864688400 = 304249^2 + 218780^2 .

It is a cyclic number.

It is not a de Polignac number, because 140432142401 - 2¹⁸ = 140431880257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140432142421) by changing a digit.

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, 2421243806 + ... + 2421243863.

It is an arithmetic number, because the mean of its divisors is an integer number (36318657525).

Almost surely, 2^140432142401 is an apocalyptic number.

It is an amenable number.

140432142401 is a deficient number, since it is larger than the sum of its proper divisors (4842487699).

140432142401 is an equidigital number, since it uses as much as digits as its factorization.

140432142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842487698.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140432142401 its reverse (104241234041), we get a palindrome (244673376442).

The spelling of 140432142401 in words is "one hundred forty billion, four hundred thirty-two million, one hundred forty-two thousand, four hundred one".