401345132 has 12 divisors (see below), whose sum is σ = 739320120. Its totient is φ = 190110816.

The previous prime is 401345117. The next prime is 401345137. The reversal of 401345132 is 231543104.

It is a super-2 number, since 2×401345132² = 322155829960194848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401345098 and 401345107.

It is not an unprimeable number, because it can be changed into a prime (401345137) 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, 2640353 + ... + 2640504.

It is an arithmetic number, because the mean of its divisors is an integer number (61610010).

Almost surely, 2^401345132 is an apocalyptic number.

It is an amenable number.

401345132 is a deficient number, since it is larger than the sum of its proper divisors (337974988).

401345132 is a wasteful number, since it uses less digits than its factorization.

401345132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280880 (or 5280878 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 401345132 is about 20033.6000758725. The cubic root of 401345132 is about 737.6312937561.

Adding to 401345132 its reverse (231543104), we get a palindrome (632888236).

The spelling of 401345132 in words is "four hundred one million, three hundred forty-five thousand, one hundred thirty-two".