140277629 has 2 divisors, whose sum is σ = 140277630. Its totient is φ = 140277628.

The previous prime is 140277623. The next prime is 140277647. The reversal of 140277629 is 926772041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 10272025 = 11402^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 140277629 - 2⁸ = 140277373 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140277592 and 140277601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140277623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70138814 + 70138815.

It is an arithmetic number, because the mean of its divisors is an integer number (70138815).

Almost surely, 2^140277629 is an apocalyptic number.

It is an amenable number.

140277629 is a deficient number, since it is larger than the sum of its proper divisors (1).

140277629 is an equidigital number, since it uses as much as digits as its factorization.

140277629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 140277629 is about 11843.8857221775. The cubic root of 140277629 is about 519.5924185360.

The spelling of 140277629 in words is "one hundred forty million, two hundred seventy-seven thousand, six hundred twenty-nine".