140950766261 has 2 divisors, whose sum is σ = 140950766262. Its totient is φ = 140950766260.

The previous prime is 140950766153. The next prime is 140950766269. The reversal of 140950766261 is 162667059041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109879653361 + 31071112900 = 331481^2 + 176270^2 .

It is a cyclic number.

It is not a de Polignac number, because 140950766261 - 2³⁴ = 123770897077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140950766269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70475383130 + 70475383131.

It is an arithmetic number, because the mean of its divisors is an integer number (70475383131).

Almost surely, 2^140950766261 is an apocalyptic number.

It is an amenable number.

140950766261 is a deficient number, since it is larger than the sum of its proper divisors (1).

140950766261 is an equidigital number, since it uses as much as digits as its factorization.

140950766261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 140950766261 in words is "one hundred forty billion, nine hundred fifty million, seven hundred sixty-six thousand, two hundred sixty-one".