105146131 has 4 divisors (see below), whose sum is σ = 105582664. Its totient is φ = 104709600.

The previous prime is 105146123. The next prime is 105146149. The reversal of 105146131 is 131641501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131641501 = 47 ⋅2800883.

It is a cyclic number.

It is not a de Polignac number, because 105146131 - 2³ = 105146123 is a prime.

It is a super-2 number, since 2×105146131² = 22111417728538322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105146831) 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, 217905 + ... + 218386.

It is an arithmetic number, because the mean of its divisors is an integer number (26395666).

Almost surely, 2^105146131 is an apocalyptic number.

105146131 is a deficient number, since it is larger than the sum of its proper divisors (436533).

105146131 is an equidigital number, since it uses as much as digits as its factorization.

105146131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436532.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 105146131 is about 10254.0787494538. The cubic root of 105146131 is about 471.9881541483.

Adding to 105146131 its reverse (131641501), we get a palindrome (236787632).

The spelling of 105146131 in words is "one hundred five million, one hundred forty-six thousand, one hundred thirty-one".