135907073 has 8 divisors (see below), whose sum is σ = 136728192. Its totient is φ = 135089136.

The previous prime is 135907067. The next prime is 135907081. The reversal of 135907073 is 370709531.

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

It is a cyclic number.

It is not a de Polignac number, because 135907073 - 2¹⁰ = 135906049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135907043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200411 + ... + 201087.

It is an arithmetic number, because the mean of its divisors is an integer number (17091024).

Almost surely, 2^135907073 is an apocalyptic number.

It is an amenable number.

135907073 is a deficient number, since it is larger than the sum of its proper divisors (821119).

135907073 is an equidigital number, since it uses as much as digits as its factorization.

135907073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 135907073 is about 11657.9188966127. The cubic root of 135907073 is about 514.1391632655.

The spelling of 135907073 in words is "one hundred thirty-five million, nine hundred seven thousand, seventy-three".