134511641533 has 4 divisors (see below), whose sum is σ = 134744764540. Its totient is φ = 134278518528.

The previous prime is 134511641443. The next prime is 134511641581. The reversal of 134511641533 is 335146115431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128506476484 + 6005165049 = 358478^2 + 77493^2 .

It is a cyclic number.

It is not a de Polignac number, because 134511641533 - 2¹³ = 134511633341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134511641492 and 134511641501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134511641633) 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, 116560638 + ... + 116561791.

It is an arithmetic number, because the mean of its divisors is an integer number (33686191135).

Almost surely, 2^134511641533 is an apocalyptic number.

It is an amenable number.

134511641533 is a deficient number, since it is larger than the sum of its proper divisors (233123007).

134511641533 is an equidigital number, since it uses as much as digits as its factorization.

134511641533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233123006.

The product of its digits is 64800, while the sum is 37.

Adding to 134511641533 its reverse (335146115431), we get a palindrome (469657756964).

The spelling of 134511641533 in words is "one hundred thirty-four billion, five hundred eleven million, six hundred forty-one thousand, five hundred thirty-three".