140120077 has 2 divisors, whose sum is σ = 140120078. Its totient is φ = 140120076.

The previous prime is 140120059. The next prime is 140120119. The reversal of 140120077 is 770021041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86229796 + 53890281 = 9286^2 + 7341^2 .

It is a cyclic number.

It is not a de Polignac number, because 140120077 - 2⁷ = 140119949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140120177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060038 + 70060039.

It is an arithmetic number, because the mean of its divisors is an integer number (70060039).

Almost surely, 2^140120077 is an apocalyptic number.

It is an amenable number.

140120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

140120077 is an equidigital number, since it uses as much as digits as its factorization.

140120077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 140120077 is about 11837.2326580160. The cubic root of 140120077 is about 519.3978199333.

The spelling of 140120077 in words is "one hundred forty million, one hundred twenty thousand, seventy-seven".