401130913 has 4 divisors (see below), whose sum is σ = 401171760. Its totient is φ = 401090068.

The previous prime is 401130889. The next prime is 401130923. The reversal of 401130913 is 319031104.

It is the 8177-th star number.

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 a de Polignac number, because none of the positive numbers 2^k-401130913 is a prime.

It is a super-3 number, since 3×401130913³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401130923) 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, 4218 + ... + 28636.

It is an arithmetic number, because the mean of its divisors is an integer number (100292940).

Almost surely, 2^401130913 is an apocalyptic number.

It is an amenable number.

401130913 is a deficient number, since it is larger than the sum of its proper divisors (40847).

401130913 is a wasteful number, since it uses less digits than its factorization.

401130913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40846.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 401130913 is about 20028.2528693843. The cubic root of 401130913 is about 737.5000328641.

The spelling of 401130913 in words is "four hundred one million, one hundred thirty thousand, nine hundred thirteen".