140012012057 has 2 divisors, whose sum is σ = 140012012058. Its totient is φ = 140012012056.

The previous prime is 140012012011. The next prime is 140012012071. The reversal of 140012012057 is 750210210041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139768308736 + 243703321 = 373856^2 + 15611^2 .

It is a cyclic number.

It is not a de Polignac number, because 140012012057 - 2²⁰ = 140010963481 is a prime.

It is not a weakly prime, because it can be changed into another prime (140012012857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70006006028 + 70006006029.

It is an arithmetic number, because the mean of its divisors is an integer number (70006006029).

Almost surely, 2^140012012057 is an apocalyptic number.

It is an amenable number.

140012012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140012012057 is an equidigital number, since it uses as much as digits as its factorization.

140012012057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 140012012057 its reverse (750210210041), we get a palindrome (890222222098).

The spelling of 140012012057 in words is "one hundred forty billion, twelve million, twelve thousand, fifty-seven".