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153135137 is a prime number
BaseRepresentation
bin10010010000010…
…10100000100001
3101200011001220202
421020022200201
5303200311022
623110114545
73536425061
oct1110124041
9350131822
10153135137
1179493771
124334ba55
1325958c0c
14164a33a1
15d69d592
hex920a821

153135137 has 2 divisors, whose sum is σ = 153135138. Its totient is φ = 153135136.

The previous prime is 153135121. The next prime is 153135139. The reversal of 153135137 is 731531351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81072016 + 72063121 = 9004^2 + 8489^2 .

It is a cyclic number.

It is not a de Polignac number, because 153135137 - 24 = 153135121 is a prime.

Together with 153135139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153135139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76567568 + 76567569.

It is an arithmetic number, because the mean of its divisors is an integer number (76567569).

Almost surely, 2153135137 is an apocalyptic number.

It is an amenable number.

153135137 is a deficient number, since it is larger than the sum of its proper divisors (1).

153135137 is an equidigital number, since it uses as much as digits as its factorization.

153135137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 29.

The square root of 153135137 is about 12374.7782606397. The cubic root of 153135137 is about 535.0055456961.

Adding to 153135137 its reverse (731531351), we get a palindrome (884666488).

The spelling of 153135137 in words is "one hundred fifty-three million, one hundred thirty-five thousand, one hundred thirty-seven".