135252415 has 8 divisors (see below), whose sum is σ = 166077648. Its totient is φ = 105685440.

The previous prime is 135252413. The next prime is 135252437. The reversal of 135252415 is 514252531.

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

It is not a de Polignac number, because 135252415 - 2¹ = 135252413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135252413) 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, 314326 + ... + 314755.

It is an arithmetic number, because the mean of its divisors is an integer number (20759706).

Almost surely, 2^135252415 is an apocalyptic number.

135252415 is a deficient number, since it is larger than the sum of its proper divisors (30825233).

135252415 is an equidigital number, since it uses as much as digits as its factorization.

135252415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629129.

The product of its digits is 6000, while the sum is 28.

The square root of 135252415 is about 11629.8071781092. The cubic root of 135252415 is about 513.3123061138.

The spelling of 135252415 in words is "one hundred thirty-five million, two hundred fifty-two thousand, four hundred fifteen".