137706271 has 2 divisors, whose sum is σ = 137706272. Its totient is φ = 137706270.

The previous prime is 137706259. The next prime is 137706277. The reversal of 137706271 is 172607731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137706271 - 2¹¹ = 137704223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137706277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68853135 + 68853136.

It is an arithmetic number, because the mean of its divisors is an integer number (68853136).

Almost surely, 2^137706271 is an apocalyptic number.

137706271 is a deficient number, since it is larger than the sum of its proper divisors (1).

137706271 is an equidigital number, since it uses as much as digits as its factorization.

137706271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 137706271 is about 11734.8315284030. The cubic root of 137706271 is about 516.3980250794.

The spelling of 137706271 in words is "one hundred thirty-seven million, seven hundred six thousand, two hundred seventy-one".