140034666061 has 2 divisors, whose sum is σ = 140034666062. Its totient is φ = 140034666060.

The previous prime is 140034665999. The next prime is 140034666073. The reversal of 140034666061 is 160666430041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85456828900 + 54577837161 = 292330^2 + 233619^2 .

It is a cyclic number.

It is not a de Polignac number, because 140034666061 - 2¹⁵ = 140034633293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140034666061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140034666091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70017333030 + 70017333031.

It is an arithmetic number, because the mean of its divisors is an integer number (70017333031).

Almost surely, 2^140034666061 is an apocalyptic number.

It is an amenable number.

140034666061 is a deficient number, since it is larger than the sum of its proper divisors (1).

140034666061 is an equidigital number, since it uses as much as digits as its factorization.

140034666061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 140034666061 in words is "one hundred forty billion, thirty-four million, six hundred sixty-six thousand, sixty-one".