405416131 has 4 divisors (see below), whose sum is σ = 408608512. Its totient is φ = 402223752.

The previous prime is 405416113. The next prime is 405416149. The reversal of 405416131 is 131614504.

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

It is an interprime number because it is at equal distance from previous prime (405416113) and next prime (405416149).

It is a cyclic number.

It is not a de Polignac number, because 405416131 - 2¹¹ = 405414083 is a prime.

It is a super-2 number, since 2×405416131² = 328724478550018322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405416096 and 405416105.

It is not an unprimeable number, because it can be changed into a prime (405416111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596000 + ... + 1596253.

It is an arithmetic number, because the mean of its divisors is an integer number (102152128).

Almost surely, 2^405416131 is an apocalyptic number.

405416131 is a deficient number, since it is larger than the sum of its proper divisors (3192381).

405416131 is a wasteful number, since it uses less digits than its factorization.

405416131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192380.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 405416131 is about 20134.9480009262. The cubic root of 405416131 is about 740.1169348933.

The spelling of 405416131 in words is "four hundred five million, four hundred sixteen thousand, one hundred thirty-one".