401435141 has 4 divisors (see below), whose sum is σ = 411226284. Its totient is φ = 391644000.

The previous prime is 401435129. The next prime is 401435147. The reversal of 401435141 is 141534104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155102116 + 246333025 = 12454^2 + 15695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401435141 is a prime.

It is a super-2 number, since 2×401435141² = 322300344859379762, 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 (401435147) 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, 4895510 + ... + 4895591.

It is an arithmetic number, because the mean of its divisors is an integer number (102806571).

Almost surely, 2^401435141 is an apocalyptic number.

401435141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

401435141 is a deficient number, since it is larger than the sum of its proper divisors (9791143).

401435141 is an equidigital number, since it uses as much as digits as its factorization.

401435141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791142.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 401435141 is about 20035.8464008886. The cubic root of 401435141 is about 737.6864320790.

Adding to 401435141 its reverse (141534104), we get a palindrome (542969245).

The spelling of 401435141 in words is "four hundred one million, four hundred thirty-five thousand, one hundred forty-one".