140633057 has 2 divisors, whose sum is σ = 140633058. Its totient is φ = 140633056.

The previous prime is 140633047. The next prime is 140633123. The reversal of 140633057 is 750336041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140398801 + 234256 = 11849^2 + 484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140633057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140633047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70316528 + 70316529.

It is an arithmetic number, because the mean of its divisors is an integer number (70316529).

Almost surely, 2^140633057 is an apocalyptic number.

It is an amenable number.

140633057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140633057 is an equidigital number, since it uses as much as digits as its factorization.

140633057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 140633057 is about 11858.8809337138. The cubic root of 140633057 is about 520.0308869720.

Adding to 140633057 its reverse (750336041), we get a palindrome (890969098).

The spelling of 140633057 in words is "one hundred forty million, six hundred thirty-three thousand, fifty-seven".