135633646 has 4 divisors (see below), whose sum is σ = 203450472. Its totient is φ = 67816822.

The previous prime is 135633637. The next prime is 135633671. The reversal of 135633646 is 646336531.

135633646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33908410 + ... + 33908413.

It is an arithmetic number, because the mean of its divisors is an integer number (50862618).

Almost surely, 2^135633646 is an apocalyptic number.

135633646 is a deficient number, since it is larger than the sum of its proper divisors (67816826).

135633646 is an equidigital number, since it uses as much as digits as its factorization.

135633646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67816825.

The product of its digits is 116640, while the sum is 37.

The square root of 135633646 is about 11646.1858992547. The cubic root of 135633646 is about 513.7941385189.

The spelling of 135633646 in words is "one hundred thirty-five million, six hundred thirty-three thousand, six hundred forty-six".