403400141 has 4 divisors (see below), whose sum is σ = 403444512. Its totient is φ = 403355772.

The previous prime is 403400131. The next prime is 403400143. The reversal of 403400141 is 141004304.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 403400141 - 2²² = 399205837 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 (403400143) 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, 3041 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (100861128).

Almost surely, 2^403400141 is an apocalyptic number.

It is an amenable number.

403400141 is a deficient number, since it is larger than the sum of its proper divisors (44371).

403400141 is a wasteful number, since it uses less digits than its factorization.

403400141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44370.

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

The square root of 403400141 is about 20084.8236487155. The cubic root of 403400141 is about 738.8881165219. Note that the first 3 decimals are identical.

Adding to 403400141 its reverse (141004304), we get a palindrome (544404445).

The spelling of 403400141 in words is "four hundred three million, four hundred thousand, one hundred forty-one".