140826761 has 2 divisors, whose sum is σ = 140826762. Its totient is φ = 140826760.

The previous prime is 140826757. The next prime is 140826767. The reversal of 140826761 is 167628041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128958736 + 11868025 = 11356^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 140826761 - 2² = 140826757 is a prime.

It is a super-2 number, since 2×140826761² = 39664353227502242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140826767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70413380 + 70413381.

It is an arithmetic number, because the mean of its divisors is an integer number (70413381).

Almost surely, 2^140826761 is an apocalyptic number.

It is an amenable number.

140826761 is a deficient number, since it is larger than the sum of its proper divisors (1).

140826761 is an equidigital number, since it uses as much as digits as its factorization.

140826761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 140826761 is about 11867.0451671846. The cubic root of 140826761 is about 520.2695360539.

The spelling of 140826761 in words is "one hundred forty million, eight hundred twenty-six thousand, seven hundred sixty-one".