140530235 has 16 divisors (see below), whose sum is σ = 176242176. Its totient is φ = 107465568.

The previous prime is 140530231. The next prime is 140530249. The reversal of 140530235 is 532035041.

It is a cyclic number.

It is not a de Polignac number, because 140530235 - 2² = 140530231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140530235.

It is not an unprimeable number, because it can be changed into a prime (140530231) 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 15 ways as a sum of consecutive naturals, for example, 3152 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (11015136).

Almost surely, 2^140530235 is an apocalyptic number.

140530235 is a deficient number, since it is larger than the sum of its proper divisors (35711941).

140530235 is a wasteful number, since it uses less digits than its factorization.

140530235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 140530235 is about 11854.5449090212. The cubic root of 140530235 is about 519.9041181697.

Adding to 140530235 its reverse (532035041), we get a palindrome (672565276).

The spelling of 140530235 in words is "one hundred forty million, five hundred thirty thousand, two hundred thirty-five".