140577757 has 2 divisors, whose sum is σ = 140577758. Its totient is φ = 140577756.

The previous prime is 140577737. The next prime is 140577769. The reversal of 140577757 is 757775041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117094041 + 23483716 = 10821^2 + 4846^2 .

It is a cyclic number.

It is not a de Polignac number, because 140577757 - 2¹⁹ = 140053469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140577737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70288878 + 70288879.

It is an arithmetic number, because the mean of its divisors is an integer number (70288879).

Almost surely, 2^140577757 is an apocalyptic number.

It is an amenable number.

140577757 is a deficient number, since it is larger than the sum of its proper divisors (1).

140577757 is an equidigital number, since it uses as much as digits as its factorization.

140577757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240100, while the sum is 43.

The square root of 140577757 is about 11856.5491185252. The cubic root of 140577757 is about 519.9627155220.

The spelling of 140577757 in words is "one hundred forty million, five hundred seventy-seven thousand, seven hundred fifty-seven".