140553142 has 8 divisors (see below), whose sum is σ = 211078296. Its totient is φ = 70193712.

The previous prime is 140553139. The next prime is 140553143. The reversal of 140553142 is 241355041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140553143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39288 + ... + 42715.

It is an arithmetic number, because the mean of its divisors is an integer number (26384787).

Almost surely, 2^140553142 is an apocalyptic number.

140553142 is a deficient number, since it is larger than the sum of its proper divisors (70525154).

140553142 is an equidigital number, since it uses as much as digits as its factorization.

140553142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82862.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 140553142 is about 11855.5110391750. The cubic root of 140553142 is about 519.9323654638.

The spelling of 140553142 in words is "one hundred forty million, five hundred fifty-three thousand, one hundred forty-two".