134513311551 has 4 divisors (see below), whose sum is σ = 179351082072. Its totient is φ = 89675541032.

The previous prime is 134513311507. The next prime is 134513311627. The reversal of 134513311551 is 155113315431.

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

It is a cyclic number.

It is not a de Polignac number, because 134513311551 - 2⁷ = 134513311423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134513311501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22418885256 + ... + 22418885261.

It is an arithmetic number, because the mean of its divisors is an integer number (44837770518).

Almost surely, 2^134513311551 is an apocalyptic number.

134513311551 is a deficient number, since it is larger than the sum of its proper divisors (44837770521).

134513311551 is an equidigital number, since it uses as much as digits as its factorization.

134513311551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44837770520.

The product of its digits is 13500, while the sum is 33.

Adding to 134513311551 its reverse (155113315431), we get a palindrome (289626626982).

The spelling of 134513311551 in words is "one hundred thirty-four billion, five hundred thirteen million, three hundred eleven thousand, five hundred fifty-one".