142901137 has 2 divisors, whose sum is σ = 142901138. Its totient is φ = 142901136.

The previous prime is 142901117. The next prime is 142901153. The reversal of 142901137 is 731109241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127148176 + 15752961 = 11276^2 + 3969^2 .

It is an emirp because it is prime and its reverse (731109241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142901137 - 2²³ = 134512529 is a prime.

It is not a weakly prime, because it can be changed into another prime (142901117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71450568 + 71450569.

It is an arithmetic number, because the mean of its divisors is an integer number (71450569).

Almost surely, 2^142901137 is an apocalyptic number.

It is an amenable number.

142901137 is a deficient number, since it is larger than the sum of its proper divisors (1).

142901137 is an equidigital number, since it uses as much as digits as its factorization.

142901137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 142901137 is about 11954.1263587098. The cubic root of 142901137 is about 522.8116157397.

The spelling of 142901137 in words is "one hundred forty-two million, nine hundred one thousand, one hundred thirty-seven".