140553442 has 8 divisors (see below), whose sum is σ = 217631232. Its totient is φ = 68009700.

The previous prime is 140553419. The next prime is 140553461. The reversal of 140553442 is 244355041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140553442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133434 + ... + 1133557.

It is an arithmetic number, because the mean of its divisors is an integer number (27203904).

Almost surely, 2^140553442 is an apocalyptic number.

140553442 is a deficient number, since it is larger than the sum of its proper divisors (77077790).

140553442 is a wasteful number, since it uses less digits than its factorization.

140553442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267024.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140553442 is about 11855.5236915119. The cubic root of 140553442 is about 519.9327353822.

The spelling of 140553442 in words is "one hundred forty million, five hundred fifty-three thousand, four hundred forty-two".