140533405 has 16 divisors (see below), whose sum is σ = 177808320. Its totient is φ = 106334208.

The previous prime is 140533387. The next prime is 140533409. The reversal of 140533405 is 504335041.

It is a cyclic number.

It is not a de Polignac number, because 140533405 - 2⁷ = 140533277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140533405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140533409) 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, 108894 + ... + 110176.

It is an arithmetic number, because the mean of its divisors is an integer number (11113020).

Almost surely, 2^140533405 is an apocalyptic number.

It is an amenable number.

140533405 is a deficient number, since it is larger than the sum of its proper divisors (37274915).

140533405 is a wasteful number, since it uses less digits than its factorization.

140533405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 140533405 is about 11854.6786122611. The cubic root of 140533405 is about 519.9080273728.

Adding to 140533405 its reverse (504335041), we get a palindrome (644868446).

The spelling of 140533405 in words is "one hundred forty million, five hundred thirty-three thousand, four hundred five".