140032445731 has 2 divisors, whose sum is σ = 140032445732. Its totient is φ = 140032445730.

The previous prime is 140032445711. The next prime is 140032445743. The reversal of 140032445731 is 137544230041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140032445731 - 2⁷ = 140032445603 is a prime.

It is a super-2 number, since 2×140032445731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140032445711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70016222865 + 70016222866.

It is an arithmetic number, because the mean of its divisors is an integer number (70016222866).

Almost surely, 2^140032445731 is an apocalyptic number.

140032445731 is a deficient number, since it is larger than the sum of its proper divisors (1).

140032445731 is an equidigital number, since it uses as much as digits as its factorization.

140032445731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 140032445731 its reverse (137544230041), we get a palindrome (277576675772).

The spelling of 140032445731 in words is "one hundred forty billion, thirty-two million, four hundred forty-five thousand, seven hundred thirty-one".