140635346 has 4 divisors (see below), whose sum is σ = 210953022. Its totient is φ = 70317672.

The previous prime is 140635337. The next prime is 140635351. The reversal of 140635346 is 643536041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643536041 = 41 ⋅15696001.

It can be written as a sum of positive squares in only one way, i.e., 123454321 + 17181025 = 11111^2 + 4145^2 .

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 as a sum of consecutive naturals, namely, 35158835 + ... + 35158838.

Almost surely, 2^140635346 is an apocalyptic number.

140635346 is a deficient number, since it is larger than the sum of its proper divisors (70317676).

140635346 is an equidigital number, since it uses as much as digits as its factorization.

140635346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70317675.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 140635346 is about 11858.9774432706. The cubic root of 140635346 is about 520.0337083671.

The spelling of 140635346 in words is "one hundred forty million, six hundred thirty-five thousand, three hundred forty-six".