134144204140155 has 64 divisors (see below), whose sum is σ = 241163792736768. Its totient is φ = 63099417461760.

The previous prime is 134144204140151. The next prime is 134144204140213. The reversal of 134144204140155 is 551041402441431.

It is not a de Polignac number, because 134144204140155 - 2² = 134144204140151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134144204140151) 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, 29542722 + ... + 33779591.

It is an arithmetic number, because the mean of its divisors is an integer number (3768184261512).

Almost surely, 2^{134144204140155} is an apocalyptic number.

134144204140155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134144204140155 is a deficient number, since it is larger than the sum of its proper divisors (107019588596613).

134144204140155 is a wasteful number, since it uses less digits than its factorization.

134144204140155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63322716.

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 134144204140155 its reverse (551041402441431), we get a palindrome (685185606581586).

The spelling of 134144204140155 in words is "one hundred thirty-four trillion, one hundred forty-four billion, two hundred four million, one hundred forty thousand, one hundred fifty-five".