140737076681 has 2 divisors, whose sum is σ = 140737076682. Its totient is φ = 140737076680.

The previous prime is 140737076633. The next prime is 140737076687. The reversal of 140737076681 is 186670737041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98869369225 + 41867707456 = 314435^2 + 204616^2 .

It is a cyclic number.

It is not a de Polignac number, because 140737076681 - 2⁶ = 140737076617 is a prime.

It is a super-2 number, since 2×140737076681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140737076687) 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, 70368538340 + 70368538341.

It is an arithmetic number, because the mean of its divisors is an integer number (70368538341).

Almost surely, 2^140737076681 is an apocalyptic number.

It is an amenable number.

140737076681 is a deficient number, since it is larger than the sum of its proper divisors (1).

140737076681 is an equidigital number, since it uses as much as digits as its factorization.

140737076681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 140737076681 in words is "one hundred forty billion, seven hundred thirty-seven million, seventy-six thousand, six hundred eighty-one".