140735369 has 2 divisors, whose sum is σ = 140735370. Its totient is φ = 140735368.

The previous prime is 140735363. The next prime is 140735393. The reversal of 140735369 is 963537041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116920969 + 23814400 = 10813^2 + 4880^2 .

It is an emirp because it is prime and its reverse (963537041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140735369 - 2¹⁶ = 140669833 is a prime.

It is a super-2 number, since 2×140735369² = 39612888175132322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140735363) 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, 70367684 + 70367685.

It is an arithmetic number, because the mean of its divisors is an integer number (70367685).

Almost surely, 2^140735369 is an apocalyptic number.

It is an amenable number.

140735369 is a deficient number, since it is larger than the sum of its proper divisors (1).

140735369 is an equidigital number, since it uses as much as digits as its factorization.

140735369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 140735369 is about 11863.1938785472. The cubic root of 140735369 is about 520.1569656811.

The spelling of 140735369 in words is "one hundred forty million, seven hundred thirty-five thousand, three hundred sixty-nine".