140029640677 has 2 divisors, whose sum is σ = 140029640678. Its totient is φ = 140029640676.

The previous prime is 140029640669. The next prime is 140029640749. The reversal of 140029640677 is 776046920041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97563147201 + 42466493476 = 312351^2 + 206074^2 .

It is a cyclic number.

It is not a de Polignac number, because 140029640677 - 2³ = 140029640669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140029640617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70014820338 + 70014820339.

It is an arithmetic number, because the mean of its divisors is an integer number (70014820339).

Almost surely, 2^140029640677 is an apocalyptic number.

It is an amenable number.

140029640677 is a deficient number, since it is larger than the sum of its proper divisors (1).

140029640677 is an equidigital number, since it uses as much as digits as its factorization.

140029640677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 140029640677 in words is "one hundred forty billion, twenty-nine million, six hundred forty thousand, six hundred seventy-seven".