142252340131 has 4 divisors (see below), whose sum is σ = 155184371064. Its totient is φ = 129320309200.

The previous prime is 142252340123. The next prime is 142252340147. The reversal of 142252340131 is 131043252241.

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 142252340131 - 2³ = 142252340123 is a prime.

It is a super-2 number, since 2×142252340131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142252340131.

It is not an unprimeable number, because it can be changed into a prime (142252340231) 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, 6466015450 + ... + 6466015471.

It is an arithmetic number, because the mean of its divisors is an integer number (38796092766).

Almost surely, 2^142252340131 is an apocalyptic number.

142252340131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142252340131 is a deficient number, since it is larger than the sum of its proper divisors (12932030933).

142252340131 is a wasteful number, since it uses less digits than its factorization.

142252340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932030932.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 142252340131 its reverse (131043252241), we get a palindrome (273295592372).

The spelling of 142252340131 in words is "one hundred forty-two billion, two hundred fifty-two million, three hundred forty thousand, one hundred thirty-one".