134365514405551 has 64 divisors (see below), whose sum is σ = 163875679027200. Its totient is φ = 108541121673600.

The previous prime is 134365514405527. The next prime is 134365514405587. The reversal of 134365514405551 is 155504415563431.

It is a happy number.

It is not a de Polignac number, because 134365514405551 - 2⁹ = 134365514405039 is a prime.

It is a super-2 number, since 2×134365514405551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134365514405851) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199607020 + ... + 200279038.

It is an arithmetic number, because the mean of its divisors is an integer number (2560557484800).

Almost surely, 2^{134365514405551} is an apocalyptic number.

134365514405551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134365514405551 is a deficient number, since it is larger than the sum of its proper divisors (29510164621649).

134365514405551 is a wasteful number, since it uses less digits than its factorization.

134365514405551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672580.

The product of its (nonzero) digits is 10800000, while the sum is 52.

Adding to 134365514405551 its reverse (155504415563431), we get a palindrome (289869929968982).

The spelling of 134365514405551 in words is "one hundred thirty-four trillion, three hundred sixty-five billion, five hundred fourteen million, four hundred five thousand, five hundred fifty-one".