405142113 has 16 divisors (see below), whose sum is σ = 573125760. Its totient is φ = 253691136.

The previous prime is 405142081. The next prime is 405142141. The reversal of 405142113 is 311241504.

It is not a de Polignac number, because 405142113 - 2⁵ = 405142081 is a prime.

It is a super-2 number, since 2×405142113² = 328280263452209538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405142113.

It is not an unprimeable number, because it can be changed into a prime (405642113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18156 + ... + 33762.

It is an arithmetic number, because the mean of its divisors is an integer number (35820360).

Almost surely, 2^405142113 is an apocalyptic number.

It is an amenable number.

405142113 is a deficient number, since it is larger than the sum of its proper divisors (167983647).

405142113 is a wasteful number, since it uses less digits than its factorization.

405142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 405142113 is about 20128.1423136861. The cubic root of 405142113 is about 739.9501506474.

Adding to 405142113 its reverse (311241504), we get a palindrome (716383617).

It can be divided in two parts, 4051 and 42113, that added together give a palindrome (46164).

The spelling of 405142113 in words is "four hundred five million, one hundred forty-two thousand, one hundred thirteen".