144140131 has 4 divisors (see below), whose sum is σ = 144186592. Its totient is φ = 144093672.

The previous prime is 144140083. The next prime is 144140159. The reversal of 144140131 is 131041441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131041441 = 103 ⋅1272247.

It is a cyclic number.

It is not a de Polignac number, because 144140131 - 2¹⁵ = 144107363 is a prime.

It is a super-2 number, since 2×144140131² = 41552754729394322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144140099 and 144140108.

It is not an unprimeable number, because it can be changed into a prime (144140531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18216 + ... + 24901.

It is an arithmetic number, because the mean of its divisors is an integer number (36046648).

Almost surely, 2^144140131 is an apocalyptic number.

144140131 is a deficient number, since it is larger than the sum of its proper divisors (46461).

144140131 is an equidigital number, since it uses as much as digits as its factorization.

144140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46460.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 144140131 is about 12005.8373718787. The cubic root of 144140131 is about 524.3182455316.

Adding to 144140131 its reverse (131041441), we get a palindrome (275181572).

The spelling of 144140131 in words is "one hundred forty-four million, one hundred forty thousand, one hundred thirty-one".