135652673 has 8 divisors (see below), whose sum is σ = 154681128. Its totient is φ = 117851904.

The previous prime is 135652663. The next prime is 135652687. The reversal of 135652673 is 376256531.

It can be written as a sum of positive squares in 4 ways, for example, as 20133169 + 115519504 = 4487^2 + 10748^2 .

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 135652673 - 2⁸ = 135652417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135652603) 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 in 7 ways as a sum of consecutive naturals, for example, 306686 + ... + 307127.

It is an arithmetic number, because the mean of its divisors is an integer number (19335141).

Almost surely, 2^135652673 is an apocalyptic number.

135652673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135652673 is a deficient number, since it is larger than the sum of its proper divisors (19028455).

135652673 is a wasteful number, since it uses less digits than its factorization.

135652673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613843.

The product of its digits is 113400, while the sum is 38.

The square root of 135652673 is about 11647.0027474883. The cubic root of 135652673 is about 513.8181628036.

The spelling of 135652673 in words is "one hundred thirty-five million, six hundred fifty-two thousand, six hundred seventy-three".