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138835027 is a prime number
BaseRepresentation
bin10000100011001…
…11010001010011
3100200020112212001
420101213101103
5241020210102
621435414431
73304035562
oct1021472123
9320215761
10138835027
11714068a1
123a5b4417
13229c0006
141461dbd9
15c2c6487
hex8467453

138835027 has 2 divisors, whose sum is σ = 138835028. Its totient is φ = 138835026.

The previous prime is 138834991. The next prime is 138835031. The reversal of 138835027 is 720538831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138835027 - 215 = 138802259 is a prime.

It is not a weakly prime, because it can be changed into another prime (138835097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69417513 + 69417514.

It is an arithmetic number, because the mean of its divisors is an integer number (69417514).

Almost surely, 2138835027 is an apocalyptic number.

138835027 is a deficient number, since it is larger than the sum of its proper divisors (1).

138835027 is an equidigital number, since it uses as much as digits as its factorization.

138835027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 138835027 is about 11782.8276317699. The cubic root of 138835027 is about 517.8051311052.

The spelling of 138835027 in words is "one hundred thirty-eight million, eight hundred thirty-five thousand, twenty-seven".