135331073 has 8 divisors (see below), whose sum is σ = 138716160. Its totient is φ = 131982480.

The previous prime is 135331061. The next prime is 135331093. The reversal of 135331073 is 370133531.

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 135331073 - 2¹⁰ = 135330049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135331043) 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, 1538 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (17339520).

Almost surely, 2^135331073 is an apocalyptic number.

It is an amenable number.

135331073 is a deficient number, since it is larger than the sum of its proper divisors (3385087).

135331073 is a wasteful number, since it uses less digits than its factorization.

135331073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18247.

The product of its (nonzero) digits is 2835, while the sum is 26.

The square root of 135331073 is about 11633.1884279418. The cubic root of 135331073 is about 513.4117948976.

The spelling of 135331073 in words is "one hundred thirty-five million, three hundred thirty-one thousand, seventy-three".