140634133697 has 2 divisors, whose sum is σ = 140634133698. Its totient is φ = 140634133696.

The previous prime is 140634133589. The next prime is 140634133727. The reversal of 140634133697 is 796331436041.

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., 111476522161 + 29157611536 = 333881^2 + 170756^2 .

It is a cyclic number.

It is not a de Polignac number, because 140634133697 - 2²⁶ = 140567024833 is a prime.

It is not a weakly prime, because it can be changed into another prime (140634136697) 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, 70317066848 + 70317066849.

It is an arithmetic number, because the mean of its divisors is an integer number (70317066849).

Almost surely, 2^140634133697 is an apocalyptic number.

It is an amenable number.

140634133697 is a deficient number, since it is larger than the sum of its proper divisors (1).

140634133697 is an equidigital number, since it uses as much as digits as its factorization.

140634133697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 140634133697 in words is "one hundred forty billion, six hundred thirty-four million, one hundred thirty-three thousand, six hundred ninety-seven".