142101137 has 2 divisors, whose sum is σ = 142101138. Its totient is φ = 142101136.

The previous prime is 142101103. The next prime is 142101221. The reversal of 142101137 is 731101241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90706576 + 51394561 = 9524^2 + 7169^2 .

It is a cyclic number.

It is not a de Polignac number, because 142101137 - 2¹² = 142097041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142101637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71050568 + 71050569.

It is an arithmetic number, because the mean of its divisors is an integer number (71050569).

Almost surely, 2^142101137 is an apocalyptic number.

It is an amenable number.

142101137 is a deficient number, since it is larger than the sum of its proper divisors (1).

142101137 is an equidigital number, since it uses as much as digits as its factorization.

142101137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 142101137 is about 11920.6181467238. The cubic root of 142101137 is about 521.8341749029.

Adding to 142101137 its reverse (731101241), we get a palindrome (873202378).

It can be divided in two parts, 14210 and 1137, that multiplied together give a triangular number (16156770 = T₅₆₈₄).

The spelling of 142101137 in words is "one hundred forty-two million, one hundred one thousand, one hundred thirty-seven".