140634141629 has 2 divisors, whose sum is σ = 140634141630. Its totient is φ = 140634141628.

The previous prime is 140634141623. The next prime is 140634141701. The reversal of 140634141629 is 926141436041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82119499225 + 58514642404 = 286565^2 + 241898^2 .

It is a cyclic number.

It is not a de Polignac number, because 140634141629 - 2¹² = 140634137533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140634141623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70317070814 + 70317070815.

It is an arithmetic number, because the mean of its divisors is an integer number (70317070815).

Almost surely, 2^140634141629 is an apocalyptic number.

It is an amenable number.

140634141629 is a deficient number, since it is larger than the sum of its proper divisors (1).

140634141629 is an equidigital number, since it uses as much as digits as its factorization.

140634141629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 140634141629 in words is "one hundred forty billion, six hundred thirty-four million, one hundred forty-one thousand, six hundred twenty-nine".