140612311747 has 2 divisors, whose sum is σ = 140612311748. Its totient is φ = 140612311746.

The previous prime is 140612311727. The next prime is 140612311757. The reversal of 140612311747 is 747113216041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140612311747 is a prime.

It is not a weakly prime, because it can be changed into another prime (140612311727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70306155873 + 70306155874.

It is an arithmetic number, because the mean of its divisors is an integer number (70306155874).

Almost surely, 2^140612311747 is an apocalyptic number.

140612311747 is a deficient number, since it is larger than the sum of its proper divisors (1).

140612311747 is an equidigital number, since it uses as much as digits as its factorization.

140612311747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 140612311747 its reverse (747113216041), we get a palindrome (887725527788).

The spelling of 140612311747 in words is "one hundred forty billion, six hundred twelve million, three hundred eleven thousand, seven hundred forty-seven".