271028137 has 2 divisors, whose sum is σ = 271028138. Its totient is φ = 271028136.

The previous prime is 271028119. The next prime is 271028203. The reversal of 271028137 is 731820172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230310976 + 40717161 = 15176^2 + 6381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271028137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 271028099 and 271028108.

It is not a weakly prime, because it can be changed into another prime (271028237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135514068 + 135514069.

It is an arithmetic number, because the mean of its divisors is an integer number (135514069).

Almost surely, 2^271028137 is an apocalyptic number.

It is an amenable number.

271028137 is a deficient number, since it is larger than the sum of its proper divisors (1).

271028137 is an equidigital number, since it uses as much as digits as its factorization.

271028137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 271028137 is about 16462.9322114865. The cubic root of 271028137 is about 647.1497582587.

The spelling of 271028137 in words is "two hundred seventy-one million, twenty-eight thousand, one hundred thirty-seven".