135151563449 has 4 divisors (see below), whose sum is σ = 154458929664. Its totient is φ = 115844197236.

The previous prime is 135151563397. The next prime is 135151563451. The reversal of 135151563449 is 944365151531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135151563449 - 2²⁴ = 135134786233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135151563479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9653683097 + ... + 9653683110.

It is an arithmetic number, because the mean of its divisors is an integer number (38614732416).

Almost surely, 2^135151563449 is an apocalyptic number.

It is an amenable number.

135151563449 is a deficient number, since it is larger than the sum of its proper divisors (19307366215).

135151563449 is an equidigital number, since it uses as much as digits as its factorization.

135151563449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19307366214.

The product of its digits is 972000, while the sum is 47.

The spelling of 135151563449 in words is "one hundred thirty-five billion, one hundred fifty-one million, five hundred sixty-three thousand, four hundred forty-nine".