134142213342551 has 4 divisors (see below), whose sum is σ = 134145757709232. Its totient is φ = 134138668975872.

The previous prime is 134142213342493. The next prime is 134142213342587. The reversal of 134142213342551 is 155243312241431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134142213342551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134142213342499 and 134142213342508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134142213342251) 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, 1772126570 + ... + 1772202263.

It is an arithmetic number, because the mean of its divisors is an integer number (33536439427308).

Almost surely, 2^{134142213342551} is an apocalyptic number.

134142213342551 is a deficient number, since it is larger than the sum of its proper divisors (3544366681).

134142213342551 is an equidigital number, since it uses as much as digits as its factorization.

134142213342551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544366680.

The product of its digits is 345600, while the sum is 41.

Adding to 134142213342551 its reverse (155243312241431), we get a palindrome (289385525583982).

The spelling of 134142213342551 in words is "one hundred thirty-four trillion, one hundred forty-two billion, two hundred thirteen million, three hundred forty-two thousand, five hundred fifty-one".