140806814633 has 2 divisors, whose sum is σ = 140806814634. Its totient is φ = 140806814632.

The previous prime is 140806814609. The next prime is 140806814689. The reversal of 140806814633 is 336418608041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135514543129 + 5292271504 = 368123^2 + 72748^2 .

It is a cyclic number.

It is not a de Polignac number, because 140806814633 - 2¹⁸ = 140806552489 is a prime.

It is not a weakly prime, because it can be changed into another prime (140806814933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70403407316 + 70403407317.

It is an arithmetic number, because the mean of its divisors is an integer number (70403407317).

Almost surely, 2^140806814633 is an apocalyptic number.

It is an amenable number.

140806814633 is a deficient number, since it is larger than the sum of its proper divisors (1).

140806814633 is an equidigital number, since it uses as much as digits as its factorization.

140806814633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 140806814633 in words is "one hundred forty billion, eight hundred six million, eight hundred fourteen thousand, six hundred thirty-three".