142319137 has 2 divisors, whose sum is σ = 142319138. Its totient is φ = 142319136.

The previous prime is 142319129. The next prime is 142319179. The reversal of 142319137 is 731913241.

142319137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 5803281 = 11684^2 + 2409^2 .

It is a cyclic number.

It is not a de Polignac number, because 142319137 - 2³ = 142319129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142319099 and 142319108.

It is not a weakly prime, because it can be changed into another prime (142319537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71159568 + 71159569.

It is an arithmetic number, because the mean of its divisors is an integer number (71159569).

Almost surely, 2^142319137 is an apocalyptic number.

It is an amenable number.

142319137 is a deficient number, since it is larger than the sum of its proper divisors (1).

142319137 is an equidigital number, since it uses as much as digits as its factorization.

142319137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 142319137 is about 11929.7584636069. The cubic root of 142319137 is about 522.1008903995.

The spelling of 142319137 in words is "one hundred forty-two million, three hundred nineteen thousand, one hundred thirty-seven".