142023134131 has 4 divisors (see below), whose sum is σ = 142024676992. Its totient is φ = 142021591272.

The previous prime is 142023134047. The next prime is 142023134179. The reversal of 142023134131 is 131431320241.

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 142023134131 - 2⁷ = 142023134003 is a prime.

It is a super-2 number, since 2×142023134131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142023134096 and 142023134105.

It is not an unprimeable number, because it can be changed into a prime (142023134191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 623955 + ... + 820588.

It is an arithmetic number, because the mean of its divisors is an integer number (35506169248).

Almost surely, 2^142023134131 is an apocalyptic number.

142023134131 is a deficient number, since it is larger than the sum of its proper divisors (1542861).

142023134131 is an equidigital number, since it uses as much as digits as its factorization.

142023134131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542860.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 142023134131 its reverse (131431320241), we get a palindrome (273454454372).

The spelling of 142023134131 in words is "one hundred forty-two billion, twenty-three million, one hundred thirty-four thousand, one hundred thirty-one".