135837245 has 4 divisors (see below), whose sum is σ = 163004700. Its totient is φ = 108669792.

The previous prime is 135837227. The next prime is 135837307. The reversal of 135837245 is 542738531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100861849 + 34975396 = 10043^2 + 5914^2 .

It is a cyclic number.

It is not a de Polignac number, because 135837245 - 2⁶ = 135837181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135837199 and 135837208.

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 3 ways as a sum of consecutive naturals, for example, 13583720 + ... + 13583729.

It is an arithmetic number, because the mean of its divisors is an integer number (40751175).

Almost surely, 2^135837245 is an apocalyptic number.

It is an amenable number.

135837245 is a deficient number, since it is larger than the sum of its proper divisors (27167455).

135837245 is an equidigital number, since it uses as much as digits as its factorization.

135837245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27167454.

The product of its digits is 100800, while the sum is 38.

The square root of 135837245 is about 11654.9236376735. The cubic root of 135837245 is about 514.0510946093.

The spelling of 135837245 in words is "one hundred thirty-five million, eight hundred thirty-seven thousand, two hundred forty-five".