140269442 has 8 divisors (see below), whose sum is σ = 216090876. Its totient is φ = 68239152.

The previous prime is 140269421. The next prime is 140269463. The reversal of 140269442 is 244962041.

It is an interprime number because it is at equal distance from previous prime (140269421) and next prime (140269463).

It can be written as a sum of positive squares in 2 ways, for example, as 102434641 + 37834801 = 10121^2 + 6151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140269399 and 140269408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947693 + ... + 947840.

Almost surely, 2^140269442 is an apocalyptic number.

140269442 is a deficient number, since it is larger than the sum of its proper divisors (75821434).

140269442 is a wasteful number, since it uses less digits than its factorization.

140269442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895572.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 140269442 is about 11843.5400957653. The cubic root of 140269442 is about 519.5823100439.

The spelling of 140269442 in words is "one hundred forty million, two hundred sixty-nine thousand, four hundred forty-two".