140242553 has 8 divisors (see below), whose sum is σ = 161044320. Its totient is φ = 120782880.

The previous prime is 140242549. The next prime is 140242559. The reversal of 140242553 is 355242041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140242553 - 2² = 140242549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140242559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335300 + ... + 335717.

It is an arithmetic number, because the mean of its divisors is an integer number (20130540).

Almost surely, 2^140242553 is an apocalyptic number.

It is an amenable number.

140242553 is a deficient number, since it is larger than the sum of its proper divisors (20801767).

140242553 is a wasteful number, since it uses less digits than its factorization.

140242553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671047.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140242553 is about 11842.4048655668. The cubic root of 140242553 is about 519.5491074177.

Adding to 140242553 its reverse (355242041), we get a palindrome (495484594).

The spelling of 140242553 in words is "one hundred forty million, two hundred forty-two thousand, five hundred fifty-three".