140881633 has 2 divisors, whose sum is σ = 140881634. Its totient is φ = 140881632.

The previous prime is 140881603. The next prime is 140881651. The reversal of 140881633 is 336188041.

140881633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139783329 + 1098304 = 11823^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 140881633 - 2⁹ = 140881121 is a prime.

It is not a weakly prime, because it can be changed into another prime (140881603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70440816 + 70440817.

It is an arithmetic number, because the mean of its divisors is an integer number (70440817).

Almost surely, 2^140881633 is an apocalyptic number.

It is an amenable number.

140881633 is a deficient number, since it is larger than the sum of its proper divisors (1).

140881633 is an equidigital number, since it uses as much as digits as its factorization.

140881633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 140881633 is about 11869.3568907502. The cubic root of 140881633 is about 520.3371002079.

The spelling of 140881633 in words is "one hundred forty million, eight hundred eighty-one thousand, six hundred thirty-three".