135668635 has 8 divisors (see below), whose sum is σ = 165232656. Its totient is φ = 106914720.

The previous prime is 135668623. The next prime is 135668647. The reversal of 135668635 is 536866531.

It is an interprime number because it is at equal distance from previous prime (135668623) and next prime (135668647).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135668635 - 2⁹ = 135668123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135668591 and 135668600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202156 + ... + 202825.

It is an arithmetic number, because the mean of its divisors is an integer number (20654082).

Almost surely, 2^135668635 is an apocalyptic number.

135668635 is a deficient number, since it is larger than the sum of its proper divisors (29564021).

135668635 is an equidigital number, since it uses as much as digits as its factorization.

135668635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405053.

The product of its digits is 388800, while the sum is 43.

The square root of 135668635 is about 11647.6879680046. The cubic root of 135668635 is about 513.8383153585.

It can be divided in two parts, 13566 and 8635, that added together give a square (22201 = 149²).

The spelling of 135668635 in words is "one hundred thirty-five million, six hundred sixty-eight thousand, six hundred thirty-five".