135251607 has 8 divisors (see below), whose sum is σ = 181110384. Its totient is φ = 89780288.

The previous prime is 135251593. The next prime is 135251629. The reversal of 135251607 is 706152531.

135251607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135251607 - 2⁴ = 135251591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135251657) 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, 96048 + ... + 97445.

It is an arithmetic number, because the mean of its divisors is an integer number (22638798).

Almost surely, 2^135251607 is an apocalyptic number.

135251607 is a deficient number, since it is larger than the sum of its proper divisors (45858777).

135251607 is a wasteful number, since it uses less digits than its factorization.

135251607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193729.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 135251607 is about 11629.7724397341. The cubic root of 135251607 is about 513.3112839333.

The spelling of 135251607 in words is "one hundred thirty-five million, two hundred fifty-one thousand, six hundred seven".