135250243 has 16 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 129172960.

The previous prime is 135250201. The next prime is 135250261. The reversal of 135250243 is 342052531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135250243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135250043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 347493 + ... + 347881.

It is an arithmetic number, because the mean of its divisors is an integer number (8845200).

Almost surely, 2^135250243 is an apocalyptic number.

135250243 is a deficient number, since it is larger than the sum of its proper divisors (6272957).

135250243 is an equidigital number, since it uses as much as digits as its factorization.

135250243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

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

The square root of 135250243 is about 11629.7137969943. The cubic root of 135250243 is about 513.3095583618.

The spelling of 135250243 in words is "one hundred thirty-five million, two hundred fifty thousand, two hundred forty-three".