135259607 has 8 divisors (see below), whose sum is σ = 154655616. Its totient is φ = 115881912.

The previous prime is 135259601. The next prime is 135259637. The reversal of 135259607 is 706952531.

It is a happy number.

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 135259607 - 2⁶ = 135259543 is a prime.

It is a super-2 number, since 2×135259607² = 36590322571588898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135259601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20228 + ... + 26070.

It is an arithmetic number, because the mean of its divisors is an integer number (19331952).

Almost surely, 2^135259607 is an apocalyptic number.

135259607 is a deficient number, since it is larger than the sum of its proper divisors (19396009).

135259607 is an equidigital number, since it uses as much as digits as its factorization.

135259607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 135259607 is about 11630.1163794693. The cubic root of 135259607 is about 513.3214043535.

It can be divided in two parts, 13525 and 9607, that added together give a palindrome (23132).

The spelling of 135259607 in words is "one hundred thirty-five million, two hundred fifty-nine thousand, six hundred seven".