146420131 has 16 divisors (see below), whose sum is σ = 172999008. Its totient is φ = 122169600.

The previous prime is 146420111. The next prime is 146420171. The reversal of 146420131 is 131024641.

It is a cyclic number.

It is not a de Polignac number, because 146420131 - 2¹⁹ = 145895843 is a prime.

It is a super-2 number, since 2×146420131² = 42877709524114322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146420111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23055 + ... + 28711.

It is an arithmetic number, because the mean of its divisors is an integer number (10812438).

Almost surely, 2^146420131 is an apocalyptic number.

146420131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146420131 is a deficient number, since it is larger than the sum of its proper divisors (26578877).

146420131 is a wasteful number, since it uses less digits than its factorization.

146420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 146420131 is about 12100.4186291219. The cubic root of 146420131 is about 527.0683407395.

Adding to 146420131 its reverse (131024641), we get a palindrome (277444772).

The spelling of 146420131 in words is "one hundred forty-six million, four hundred twenty thousand, one hundred thirty-one".