140430677 has 2 divisors, whose sum is σ = 140430678. Its totient is φ = 140430676.

The previous prime is 140430671. The next prime is 140430721. The reversal of 140430677 is 776034041.

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., 84015556 + 56415121 = 9166^2 + 7511^2 .

It is a cyclic number.

It is not a de Polignac number, because 140430677 - 2⁶ = 140430613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140430671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70215338 + 70215339.

It is an arithmetic number, because the mean of its divisors is an integer number (70215339).

Almost surely, 2^140430677 is an apocalyptic number.

It is an amenable number.

140430677 is a deficient number, since it is larger than the sum of its proper divisors (1).

140430677 is an equidigital number, since it uses as much as digits as its factorization.

140430677 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 32.

The square root of 140430677 is about 11850.3450160744. The cubic root of 140430677 is about 519.7813146032.

The spelling of 140430677 in words is "one hundred forty million, four hundred thirty thousand, six hundred seventy-seven".