134323664551 has 4 divisors (see below), whose sum is σ = 134325088704. Its totient is φ = 134322240400.

The previous prime is 134323664543. The next prime is 134323664591. The reversal of 134323664551 is 155466323431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155466323431 = 24229 ⋅6416539.

It is a cyclic number.

It is not a de Polignac number, because 134323664551 - 2³ = 134323664543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134323664498 and 134323664507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323664591) 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, 559735 + ... + 762856.

It is an arithmetic number, because the mean of its divisors is an integer number (33581272176).

Almost surely, 2^134323664551 is an apocalyptic number.

134323664551 is a deficient number, since it is larger than the sum of its proper divisors (1424153).

134323664551 is a wasteful number, since it uses less digits than its factorization.

134323664551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424152.

The product of its digits is 777600, while the sum is 43.

Adding to 134323664551 its reverse (155466323431), we get a palindrome (289789987982).

The spelling of 134323664551 in words is "one hundred thirty-four billion, three hundred twenty-three million, six hundred sixty-four thousand, five hundred fifty-one".