137632273 has 2 divisors, whose sum is σ = 137632274. Its totient is φ = 137632272.

The previous prime is 137632247. The next prime is 137632283. The reversal of 137632273 is 372236731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91623184 + 46009089 = 9572^2 + 6783^2 .

It is a cyclic number.

It is not a de Polignac number, because 137632273 - 2⁵ = 137632241 is a prime.

It is a super-2 number, since 2×137632273² = 37885285142293058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137632223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68816136 + 68816137.

It is an arithmetic number, because the mean of its divisors is an integer number (68816137).

Almost surely, 2^137632273 is an apocalyptic number.

It is an amenable number.

137632273 is a deficient number, since it is larger than the sum of its proper divisors (1).

137632273 is an equidigital number, since it uses as much as digits as its factorization.

137632273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 34.

The square root of 137632273 is about 11731.6781834484. The cubic root of 137632273 is about 516.3055110943.

The spelling of 137632273 in words is "one hundred thirty-seven million, six hundred thirty-two thousand, two hundred seventy-three".