140144131 has 8 divisors (see below), whose sum is σ = 142408800. Its totient is φ = 137887680.

The previous prime is 140144111. The next prime is 140144143. The reversal of 140144131 is 131441041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140144131 - 2⁷ = 140144003 is a prime.

It is a super-2 number, since 2×140144131² = 39280754907490322, 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 = 140144099 and 140144108.

It is not an unprimeable number, because it can be changed into a prime (140144111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38665 + ... + 42133.

It is an arithmetic number, because the mean of its divisors is an integer number (17801100).

Almost surely, 2^140144131 is an apocalyptic number.

140144131 is a deficient number, since it is larger than the sum of its proper divisors (2264669).

140144131 is an equidigital number, since it uses as much as digits as its factorization.

140144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109.

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

The square root of 140144131 is about 11838.2486458091. The cubic root of 140144131 is about 519.4275393962.

Adding to 140144131 its reverse (131441041), we get a palindrome (271585172).

It can be divided in two parts, 14014 and 4131, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 140144131 in words is "one hundred forty million, one hundred forty-four thousand, one hundred thirty-one".