140540553 has 12 divisors (see below), whose sum is σ = 203194368. Its totient is φ = 93605400.

The previous prime is 140540551. The next prime is 140540573. The reversal of 140540553 is 355045041.

It is not a de Polignac number, because 140540553 - 2¹ = 140540551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140540551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3576 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (16932864).

Almost surely, 2^140540553 is an apocalyptic number.

It is an amenable number.

140540553 is a deficient number, since it is larger than the sum of its proper divisors (62653815).

140540553 is a wasteful number, since it uses less digits than its factorization.

140540553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724 (or 14721 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140540553 is about 11854.9800927711. The cubic root of 140540553 is about 519.9168419783.

Adding to 140540553 its reverse (355045041), we get a palindrome (495585594).

The spelling of 140540553 in words is "one hundred forty million, five hundred forty thousand, five hundred fifty-three".