140231053 has 2 divisors, whose sum is σ = 140231054. Its totient is φ = 140231052.

The previous prime is 140230969. The next prime is 140231059. The reversal of 140231053 is 350132041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 67947049 = 8502^2 + 8243^2 .

It is a cyclic number.

It is not a de Polignac number, because 140231053 - 2²¹ = 138133901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140231053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140231059) 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, 70115526 + 70115527.

It is an arithmetic number, because the mean of its divisors is an integer number (70115527).

Almost surely, 2^140231053 is an apocalyptic number.

It is an amenable number.

140231053 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231053 is an equidigital number, since it uses as much as digits as its factorization.

140231053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140231053 is about 11841.9193123412. The cubic root of 140231053 is about 519.5349058839.

Adding to 140231053 its reverse (350132041), we get a palindrome (490363094).

The spelling of 140231053 in words is "one hundred forty million, two hundred thirty-one thousand, fifty-three".