140616277 has 2 divisors, whose sum is σ = 140616278. Its totient is φ = 140616276.

The previous prime is 140616271. The next prime is 140616313. The reversal of 140616277 is 772616041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 24860196 = 10759^2 + 4986^2 .

It is a cyclic number.

It is not a de Polignac number, because 140616277 - 2³ = 140616269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140616271) 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, 70308138 + 70308139.

It is an arithmetic number, because the mean of its divisors is an integer number (70308139).

Almost surely, 2^140616277 is an apocalyptic number.

It is an amenable number.

140616277 is a deficient number, since it is larger than the sum of its proper divisors (1).

140616277 is an equidigital number, since it uses as much as digits as its factorization.

140616277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 140616277 is about 11858.1734259539. The cubic root of 140616277 is about 520.0102032022.

The spelling of 140616277 in words is "one hundred forty million, six hundred sixteen thousand, two hundred seventy-seven".