140004422431 has 4 divisors (see below), whose sum is σ = 140863345432. Its totient is φ = 139145499432.

The previous prime is 140004422407. The next prime is 140004422513. The reversal of 140004422431 is 134224400041.

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

It is a cyclic number.

It is not a de Polignac number, because 140004422431 - 2⁵ = 140004422399 is a prime.

It is a super-2 number, since 2×140004422431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140004422396 and 140004422405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004492431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429461256 + ... + 429461581.

It is an arithmetic number, because the mean of its divisors is an integer number (35215836358).

Almost surely, 2^140004422431 is an apocalyptic number.

140004422431 is a deficient number, since it is larger than the sum of its proper divisors (858923001).

140004422431 is an equidigital number, since it uses as much as digits as its factorization.

140004422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858923000.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140004422431 its reverse (134224400041), we get a palindrome (274228822472).

The spelling of 140004422431 in words is "one hundred forty billion, four million, four hundred twenty-two thousand, four hundred thirty-one".