140534653 has 16 divisors (see below), whose sum is σ = 164634624. Its totient is φ = 117460080.

The previous prime is 140534633. The next prime is 140534671. The reversal of 140534653 is 356435041.

It is a cyclic number.

It is not a de Polignac number, because 140534653 - 2²¹ = 138437501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140534633) 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 15 ways as a sum of consecutive naturals, for example, 113548 + ... + 114778.

It is an arithmetic number, because the mean of its divisors is an integer number (10289664).

Almost surely, 2^140534653 is an apocalyptic number.

It is an amenable number.

140534653 is a deficient number, since it is larger than the sum of its proper divisors (24099971).

140534653 is a wasteful number, since it uses less digits than its factorization.

140534653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 140534653 is about 11854.7312495898. The cubic root of 140534653 is about 519.9095663741.

Adding to 140534653 its reverse (356435041), we get a palindrome (496969694).

The spelling of 140534653 in words is "one hundred forty million, five hundred thirty-four thousand, six hundred fifty-three".