146131 has 4 divisors (see below), whose sum is σ = 151200. Its totient is φ = 141064.

The previous prime is 146117. The next prime is 146141. The reversal of 146131 is 131641.

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

It is a cyclic number.

It is not a de Polignac number, because 146131 - 2⁵ = 146099 is a prime.

It is a super-2 number, since 2×146131² = 42708538322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146141) 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, 2491 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2¹⁴⁶¹³¹ is an apocalyptic number.

146131 is a deficient number, since it is larger than the sum of its proper divisors (5069).

146131 is an equidigital number, since it uses as much as digits as its factorization.

146131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its digits is 72, while the sum is 16.

The square root of 146131 is about 382.2708463904. The cubic root of 146131 is about 52.6721183981.

Adding to 146131 its reverse (131641), we get a palindrome (277772).

The spelling of 146131 in words is "one hundred forty-six thousand, one hundred thirty-one".