140204269 has 2 divisors, whose sum is σ = 140204270. Its totient is φ = 140204268.

The previous prime is 140204263. The next prime is 140204327. The reversal of 140204269 is 962402041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117288900 + 22915369 = 10830^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 140204269 - 2²¹ = 138107117 is a prime.

It is a super-2 number, since 2×140204269² = 39314474091648722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140204263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70102134 + 70102135.

It is an arithmetic number, because the mean of its divisors is an integer number (70102135).

Almost surely, 2^140204269 is an apocalyptic number.

It is an amenable number.

140204269 is a deficient number, since it is larger than the sum of its proper divisors (1).

140204269 is an equidigital number, since it uses as much as digits as its factorization.

140204269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 140204269 is about 11840.7883605780. The cubic root of 140204269 is about 519.5018268841.

The spelling of 140204269 in words is "one hundred forty million, two hundred four thousand, two hundred sixty-nine".