135558073 has 8 divisors (see below), whose sum is σ = 154994048. Its totient is φ = 116139744.

The previous prime is 135558061. The next prime is 135558079. The reversal of 135558073 is 370855531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135558073 - 2¹⁷ = 135427001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135558079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26740 + ... + 31402.

It is an arithmetic number, because the mean of its divisors is an integer number (19374256).

Almost surely, 2^135558073 is an apocalyptic number.

It is an amenable number.

135558073 is a deficient number, since it is larger than the sum of its proper divisors (19435975).

135558073 is an equidigital number, since it uses as much as digits as its factorization.

135558073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 135558073 is about 11642.9409085506. The cubic root of 135558073 is about 513.6986947028.

The spelling of 135558073 in words is "one hundred thirty-five million, five hundred fifty-eight thousand, seventy-three".