142234131 has 8 divisors (see below), whose sum is σ = 204233680. Its totient is φ = 87528672.

The previous prime is 142234111. The next prime is 142234163. The reversal of 142234131 is 131432241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142234131 - 2¹³ = 142225939 is a prime.

It is a super-2 number, since 2×142234131² = 40461096042650322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142234098 and 142234107.

It is not an unprimeable number, because it can be changed into a prime (142234111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823476 + ... + 1823553.

It is an arithmetic number, because the mean of its divisors is an integer number (25529210).

Almost surely, 2^142234131 is an apocalyptic number.

142234131 is a deficient number, since it is larger than the sum of its proper divisors (61999549).

142234131 is a wasteful number, since it uses less digits than its factorization.

142234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647045.

The product of its digits is 576, while the sum is 21.

The square root of 142234131 is about 11926.1951602345. The cubic root of 142234131 is about 521.9969209020.

Adding to 142234131 its reverse (131432241), we get a palindrome (273666372).

It can be divided in two parts, 1422 and 34131, that added together give a palindrome (35553).

The spelling of 142234131 in words is "one hundred forty-two million, two hundred thirty-four thousand, one hundred thirty-one".