135040245 has 32 divisors (see below), whose sum is σ = 226195200. Its totient is φ = 68665344.

The previous prime is 135040229. The next prime is 135040249. The reversal of 135040245 is 542040531.

It is not a de Polignac number, because 135040245 - 2⁴ = 135040229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135040249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175221 + ... + 175989.

It is an arithmetic number, because the mean of its divisors is an integer number (7068600).

Almost surely, 2^135040245 is an apocalyptic number.

135040245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135040245 is a deficient number, since it is larger than the sum of its proper divisors (91154955).

135040245 is a wasteful number, since it uses less digits than its factorization.

135040245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 135040245 is about 11620.6817786221. The cubic root of 135040245 is about 513.0437552213.

Adding to 135040245 its reverse (542040531), we get a palindrome (677080776).

The spelling of 135040245 in words is "one hundred thirty-five million, forty thousand, two hundred forty-five".