142140127 has 2 divisors, whose sum is σ = 142140128. Its totient is φ = 142140126.

The previous prime is 142140091. The next prime is 142140133. The reversal of 142140127 is 721041241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142140127 - 2²⁷ = 7922399 is a prime.

It is a super-2 number, since 2×142140127² = 40407631407152258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142140098 and 142140107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142140227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71070063 + 71070064.

It is an arithmetic number, because the mean of its divisors is an integer number (71070064).

Almost surely, 2^142140127 is an apocalyptic number.

142140127 is a deficient number, since it is larger than the sum of its proper divisors (1).

142140127 is an equidigital number, since it uses as much as digits as its factorization.

142140127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142140127 is about 11922.2534363265. The cubic root of 142140127 is about 521.8818978471.

Adding to 142140127 its reverse (721041241), we get a palindrome (863181368).

The spelling of 142140127 in words is "one hundred forty-two million, one hundred forty thousand, one hundred twenty-seven".