140434141 has 4 divisors (see below), whose sum is σ = 141275232. Its totient is φ = 139593052.

The previous prime is 140434121. The next prime is 140434169. The reversal of 140434141 is 141434041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140434141 - 2⁵ = 140434109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420295 + ... + 420628.

It is an arithmetic number, because the mean of its divisors is an integer number (35318808).

Almost surely, 2^140434141 is an apocalyptic number.

It is an amenable number.

140434141 is a deficient number, since it is larger than the sum of its proper divisors (841091).

140434141 is an equidigital number, since it uses as much as digits as its factorization.

140434141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841090.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140434141 is about 11850.4911712553. The cubic root of 140434141 is about 519.7855883789.

Adding to 140434141 its reverse (141434041), we get a palindrome (281868182).

It can be divided in two parts, 140 and 434141, that added together give a square (434281 = 659²).

The spelling of 140434141 in words is "one hundred forty million, four hundred thirty-four thousand, one hundred forty-one".