400141 has 4 divisors (see below), whose sum is σ = 457312. Its totient is φ = 342972.

The previous prime is 400123. The next prime is 400151. The reversal of 400141 is 141004.

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 400141 - 2⁵ = 400109 is a prime.

It is a super-2 number, since 2×400141² = 320225639762, 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 (400151) 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, 28575 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (114328).

2⁴⁰⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

400141 is a deficient number, since it is larger than the sum of its proper divisors (57171).

400141 is an equidigital number, since it uses as much as digits as its factorization.

400141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57170.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 400141 is about 632.5669924996. The cubic root of 400141 is about 73.6892864298.

Adding to 400141 its reverse (141004), we get a palindrome (541145).

The spelling of 400141 in words is "four hundred thousand, one hundred forty-one", and thus it is an iban number.