Search a number
-
+
156000137 is a prime number
BaseRepresentation
bin10010100110001…
…01111110001001
3101212112121221212
421103011332021
5304414001022
623251342505
73602656616
oct1123057611
9355477855
10156000137
1180070237
12442b1a35
132641cc97
1416a0b50d
15da673e2
hex94c5f89

156000137 has 2 divisors, whose sum is σ = 156000138. Its totient is φ = 156000136.

The previous prime is 156000101. The next prime is 156000151. The reversal of 156000137 is 731000651.

156000137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155475961 + 524176 = 12469^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 156000137 - 26 = 156000073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (156000437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000068 + 78000069.

It is an arithmetic number, because the mean of its divisors is an integer number (78000069).

Almost surely, 2156000137 is an apocalyptic number.

It is an amenable number.

156000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

156000137 is an equidigital number, since it uses as much as digits as its factorization.

156000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 156000137 is about 12490.0014811849. The cubic root of 156000137 is about 538.3214187942.

Adding to 156000137 its reverse (731000651), we get a palindrome (887000788).

The spelling of 156000137 in words is "one hundred fifty-six million, one hundred thirty-seven", and thus it is an aban number.