140269450 has 12 divisors (see below), whose sum is σ = 260901270. Its totient is φ = 56107760.

The previous prime is 140269421. The next prime is 140269463. The reversal of 140269450 is 54962041.

It can be written as a sum of positive squares in 3 ways, for example, as 98188281 + 42081169 = 9909^2 + 6487^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1402645 + ... + 1402744.

Almost surely, 2^140269450 is an apocalyptic number.

140269450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140269450 is a deficient number, since it is larger than the sum of its proper divisors (120631820).

140269450 is a wasteful number, since it uses less digits than its factorization.

140269450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805401 (or 2805396 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 140269450 is about 11843.5404335021. The cubic root of 140269450 is about 519.5823199217.

The spelling of 140269450 in words is "one hundred forty million, two hundred sixty-nine thousand, four hundred fifty".