Search a number
-
+
137271227 is a prime number
BaseRepresentation
bin10000010111010…
…01011110111011
3100120022002201112
420023221132323
5240120134402
621342110535
73254533442
oct1013513673
9316262645
10137271227
11705389a5
1239b7b44b
13225932a2
1414333d59
15c0b7e52
hex82e97bb

137271227 has 2 divisors, whose sum is σ = 137271228. Its totient is φ = 137271226.

The previous prime is 137271217. The next prime is 137271247. The reversal of 137271227 is 722172731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137271227 - 220 = 136222651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137271193 and 137271202.

It is not a weakly prime, because it can be changed into another prime (137271217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68635613 + 68635614.

It is an arithmetic number, because the mean of its divisors is an integer number (68635614).

Almost surely, 2137271227 is an apocalyptic number.

137271227 is a deficient number, since it is larger than the sum of its proper divisors (1).

137271227 is an equidigital number, since it uses as much as digits as its factorization.

137271227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 32.

The square root of 137271227 is about 11716.2804251179. The cubic root of 137271227 is about 515.8536469240.

The spelling of 137271227 in words is "one hundred thirty-seven million, two hundred seventy-one thousand, two hundred twenty-seven".