140105235 has 64 divisors (see below), whose sum is σ = 242611200. Its totient is φ = 68909568.

The previous prime is 140105201. The next prime is 140105237. The reversal of 140105235 is 532501041.

It is not a de Polignac number, because 140105235 - 2¹² = 140101139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140105237) 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 63 ways as a sum of consecutive naturals, for example, 1360194 + ... + 1360296.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^140105235 is an apocalyptic number.

140105235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140105235 is a deficient number, since it is larger than the sum of its proper divisors (102505965).

140105235 is a wasteful number, since it uses less digits than its factorization.

140105235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140105235 is about 11836.6057212361. The cubic root of 140105235 is about 519.3794804852.

Adding to 140105235 its reverse (532501041), we get a palindrome (672606276).

The spelling of 140105235 in words is "one hundred forty million, one hundred five thousand, two hundred thirty-five".