140766173369 has 2 divisors, whose sum is σ = 140766173370. Its totient is φ = 140766173368.

The previous prime is 140766173351. The next prime is 140766173381. The reversal of 140766173369 is 963371667041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91922963344 + 48843210025 = 303188^2 + 221005^2 .

It is a cyclic number.

It is not a de Polignac number, because 140766173369 - 2⁸ = 140766173113 is a prime.

It is a super-2 number, since 2×140766173369² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140766173369.

It is not a weakly prime, because it can be changed into another prime (140766173399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70383086684 + 70383086685.

It is an arithmetic number, because the mean of its divisors is an integer number (70383086685).

Almost surely, 2^140766173369 is an apocalyptic number.

It is an amenable number.

140766173369 is a deficient number, since it is larger than the sum of its proper divisors (1).

140766173369 is an equidigital number, since it uses as much as digits as its factorization.

140766173369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 140766173369 in words is "one hundred forty billion, seven hundred sixty-six million, one hundred seventy-three thousand, three hundred sixty-nine".