140403041 has 4 divisors (see below), whose sum is σ = 143668272. Its totient is φ = 137137812.

The previous prime is 140403031. The next prime is 140403071. The reversal of 140403041 is 140304041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140304041 = 941 ⋅149101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140403041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140403001) 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, 1632551 + ... + 1632636.

It is an arithmetic number, because the mean of its divisors is an integer number (35917068).

Almost surely, 2^140403041 is an apocalyptic number.

It is an amenable number.

140403041 is a deficient number, since it is larger than the sum of its proper divisors (3265231).

140403041 is an equidigital number, since it uses as much as digits as its factorization.

140403041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265230.

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

The square root of 140403041 is about 11849.1789167014. The cubic root of 140403041 is about 519.7472156463.

Adding to 140403041 its reverse (140304041), we get a palindrome (280707082).

The spelling of 140403041 in words is "one hundred forty million, four hundred three thousand, forty-one".