135320245 has 8 divisors (see below), whose sum is σ = 162516384. Its totient is φ = 108168144.

The previous prime is 135320231. The next prime is 135320279. The reversal of 135320245 is 542023531.

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 135320245 - 2⁷ = 135320117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (20314548).

Almost surely, 2^135320245 is an apocalyptic number.

It is an amenable number.

135320245 is a deficient number, since it is larger than the sum of its proper divisors (27196139).

135320245 is a wasteful number, since it uses less digits than its factorization.

135320245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22019.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135320245 is about 11632.7230260159. The cubic root of 135320245 is about 513.3981016364.

Adding to 135320245 its reverse (542023531), we get a palindrome (677343776).

The spelling of 135320245 in words is "one hundred thirty-five million, three hundred twenty thousand, two hundred forty-five".