135746215 has 8 divisors (see below), whose sum is σ = 177704208. Its totient is φ = 98724480.

The previous prime is 135746209. The next prime is 135746231. The reversal of 135746215 is 512647531.

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

It is not a de Polignac number, because 135746215 - 2⁹ = 135745703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234002 + ... + 1234111.

It is an arithmetic number, because the mean of its divisors is an integer number (22213026).

Almost surely, 2^135746215 is an apocalyptic number.

135746215 is a deficient number, since it is larger than the sum of its proper divisors (41957993).

135746215 is a wasteful number, since it uses less digits than its factorization.

135746215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468129.

The product of its digits is 25200, while the sum is 34.

The square root of 135746215 is about 11651.0177667018. The cubic root of 135746215 is about 513.9362401797.

The spelling of 135746215 in words is "one hundred thirty-five million, seven hundred forty-six thousand, two hundred fifteen".