135646023 has 8 divisors (see below), whose sum is σ = 181255536. Its totient is φ = 90233600.

The previous prime is 135646003. The next prime is 135646051. The reversal of 135646023 is 320646531.

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 135646023 - 2⁸ = 135645767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135646003) 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, 47658 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (22656942).

Almost surely, 2^135646023 is an apocalyptic number.

135646023 is a deficient number, since it is larger than the sum of its proper divisors (45609513).

135646023 is an equidigital number, since it uses as much as digits as its factorization.

135646023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98545.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 135646023 is about 11646.7172628170. The cubic root of 135646023 is about 513.8097664913.

The spelling of 135646023 in words is "one hundred thirty-five million, six hundred forty-six thousand, twenty-three".