135250145243 has 16 divisors (see below), whose sum is σ = 144011831040. Its totient is φ = 126658000800.

The previous prime is 135250145209. The next prime is 135250145257. The reversal of 135250145243 is 342541052531.

It is a cyclic number.

It is not a de Polignac number, because 135250145243 - 2¹⁴ = 135250128859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135250145273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865058 + ... + 1009368.

It is an arithmetic number, because the mean of its divisors is an integer number (9000739440).

Almost surely, 2^135250145243 is an apocalyptic number.

135250145243 is a deficient number, since it is larger than the sum of its proper divisors (8761685797).

135250145243 is a wasteful number, since it uses less digits than its factorization.

135250145243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144898.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 135250145243 its reverse (342541052531), we get a palindrome (477791197774).

The spelling of 135250145243 in words is "one hundred thirty-five billion, two hundred fifty million, one hundred forty-five thousand, two hundred forty-three".