238070137 has 2 divisors, whose sum is σ = 238070138. Its totient is φ = 238070136.

The previous prime is 238070113. The next prime is 238070153. The reversal of 238070137 is 731070832.

238070137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191434896 + 46635241 = 13836^2 + 6829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238070137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238070099 and 238070108.

It is not a weakly prime, because it can be changed into another prime (238073137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119035068 + 119035069.

It is an arithmetic number, because the mean of its divisors is an integer number (119035069).

Almost surely, 2^238070137 is an apocalyptic number.

It is an amenable number.

238070137 is a deficient number, since it is larger than the sum of its proper divisors (1).

238070137 is an equidigital number, since it uses as much as digits as its factorization.

238070137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 238070137 is about 15429.5216063234. The cubic root of 238070137 is about 619.7763128203.

The spelling of 238070137 in words is "two hundred thirty-eight million, seventy thousand, one hundred thirty-seven".