135352673 has 4 divisors (see below), whose sum is σ = 135456000. Its totient is φ = 135249348.

The previous prime is 135352639. The next prime is 135352681. The reversal of 135352673 is 376253531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376253531 = 907 ⋅414833.

It is a cyclic number.

It is not a de Polignac number, because 135352673 - 2²² = 131158369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135352073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49673 + ... + 52326.

It is an arithmetic number, because the mean of its divisors is an integer number (33864000).

Almost surely, 2^135352673 is an apocalyptic number.

It is an amenable number.

135352673 is a deficient number, since it is larger than the sum of its proper divisors (103327).

135352673 is a wasteful number, since it uses less digits than its factorization.

135352673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103326.

The product of its digits is 56700, while the sum is 35.

The square root of 135352673 is about 11634.1167692266. The cubic root of 135352673 is about 513.4391084198.

The spelling of 135352673 in words is "one hundred thirty-five million, three hundred fifty-two thousand, six hundred seventy-three".