131333142 has 16 divisors (see below), whose sum is σ = 264241152. Its totient is φ = 43515240.

The previous prime is 131333131. The next prime is 131333201. The reversal of 131333142 is 241333131.

It is a super-3 number, since 3×131333142³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64534 + ... + 66537.

It is an arithmetic number, because the mean of its divisors is an integer number (16515072).

Almost surely, 2^131333142 is an apocalyptic number.

131333142 is an abundant number, since it is smaller than the sum of its proper divisors (132908010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131333142 is a wasteful number, since it uses less digits than its factorization.

131333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131243.

The product of its digits is 648, while the sum is 21.

The square root of 131333142 is about 11460.0672772894. The cubic root of 131333142 is about 508.3054639802.

Adding to 131333142 its reverse (241333131), we get a palindrome (372666273).

The spelling of 131333142 in words is "one hundred thirty-one million, three hundred thirty-three thousand, one hundred forty-two".