140040341 has 4 divisors (see below), whose sum is σ = 160046112. Its totient is φ = 120034572.

The previous prime is 140040337. The next prime is 140040359. The reversal of 140040341 is 143040041.

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 not a de Polignac number, because 140040341 - 2² = 140040337 is a prime.

It is a super-2 number, since 2×140040341² = 39222594214792562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140040311) 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, 10002875 + ... + 10002888.

It is an arithmetic number, because the mean of its divisors is an integer number (40011528).

Almost surely, 2^140040341 is an apocalyptic number.

It is an amenable number.

140040341 is a deficient number, since it is larger than the sum of its proper divisors (20005771).

140040341 is an equidigital number, since it uses as much as digits as its factorization.

140040341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20005770.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140040341 is about 11833.8641618028. The cubic root of 140040341 is about 519.2992793013.

Adding to 140040341 its reverse (143040041), we get a palindrome (283080382).

The spelling of 140040341 in words is "one hundred forty million, forty thousand, three hundred forty-one".