245739135 has 8 divisors (see below), whose sum is σ = 393182640. Its totient is φ = 131060864.

The previous prime is 245739133. The next prime is 245739167. The reversal of 245739135 is 531937542.

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 245739135 - 2¹ = 245739133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245739093 and 245739102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245739133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8191290 + ... + 8191319.

It is an arithmetic number, because the mean of its divisors is an integer number (49147830).

Almost surely, 2^245739135 is an apocalyptic number.

245739135 is a deficient number, since it is larger than the sum of its proper divisors (147443505).

245739135 is a wasteful number, since it uses less digits than its factorization.

245739135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382617.

The product of its digits is 113400, while the sum is 39.

The square root of 245739135 is about 15676.0688630792. The cubic root of 245739135 is about 626.3610955850.

The spelling of 245739135 in words is "two hundred forty-five million, seven hundred thirty-nine thousand, one hundred thirty-five".