135038873 has 2 divisors, whose sum is σ = 135038874. Its totient is φ = 135038872.

The previous prime is 135038857. The next prime is 135038879. The reversal of 135038873 is 378830531.

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., 98942809 + 36096064 = 9947^2 + 6008^2 .

It is a cyclic number.

It is not a de Polignac number, because 135038873 - 2⁴ = 135038857 is a prime.

It is a super-2 number, since 2×135038873² = 36470994442220258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135038879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67519436 + 67519437.

It is an arithmetic number, because the mean of its divisors is an integer number (67519437).

Almost surely, 2^135038873 is an apocalyptic number.

It is an amenable number.

135038873 is a deficient number, since it is larger than the sum of its proper divisors (1).

135038873 is an equidigital number, since it uses as much as digits as its factorization.

135038873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 135038873 is about 11620.6227457912. The cubic root of 135038873 is about 513.0420177184.

The spelling of 135038873 in words is "one hundred thirty-five million, thirty-eight thousand, eight hundred seventy-three".