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133441157 is a prime number
BaseRepresentation
bin1111111010000…
…10011010000101
3100022002111212002
413331002122011
5233130104112
621124035045
73210142163
oct775023205
9308074762
10133441157
1169362353
1238832a85
1321851b85
1413a18233
15baad1c2
hex7f42685

133441157 has 2 divisors, whose sum is σ = 133441158. Its totient is φ = 133441156.

The previous prime is 133441141. The next prime is 133441201. The reversal of 133441157 is 751144331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127260961 + 6180196 = 11281^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 133441157 - 24 = 133441141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133441117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66720578 + 66720579.

It is an arithmetic number, because the mean of its divisors is an integer number (66720579).

Almost surely, 2133441157 is an apocalyptic number.

It is an amenable number.

133441157 is a deficient number, since it is larger than the sum of its proper divisors (1).

133441157 is an equidigital number, since it uses as much as digits as its factorization.

133441157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 133441157 is about 11551.6733419882. The cubic root of 133441157 is about 511.0106283126.

Adding to 133441157 its reverse (751144331), we get a palindrome (884585488).

The spelling of 133441157 in words is "one hundred thirty-three million, four hundred forty-one thousand, one hundred fifty-seven".