290270137 has 2 divisors, whose sum is σ = 290270138. Its totient is φ = 290270136.

The previous prime is 290270131. The next prime is 290270177. The reversal of 290270137 is 731072092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187936681 + 102333456 = 13709^2 + 10116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290270137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 290270099 and 290270108.

It is not a weakly prime, because it can be changed into another prime (290270131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145135068 + 145135069.

It is an arithmetic number, because the mean of its divisors is an integer number (145135069).

Almost surely, 2^290270137 is an apocalyptic number.

It is an amenable number.

290270137 is a deficient number, since it is larger than the sum of its proper divisors (1).

290270137 is an equidigital number, since it uses as much as digits as its factorization.

290270137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 290270137 is about 17037.3160151475. The cubic root of 290270137 is about 662.1160557810.

The spelling of 290270137 in words is "two hundred ninety million, two hundred seventy thousand, one hundred thirty-seven".