134523243242155 has 16 divisors (see below), whose sum is σ = 162763059548160. Its totient is φ = 106729150342752.

The previous prime is 134523243242147. The next prime is 134523243242243. The reversal of 134523243242155 is 551242342325431.

It is a cyclic number.

It is not a de Polignac number, because 134523243242155 - 2³ = 134523243242147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40106449 + ... + 43330978.

It is an arithmetic number, because the mean of its divisors is an integer number (10172691221760).

Almost surely, 2^{134523243242155} is an apocalyptic number.

134523243242155 is a deficient number, since it is larger than the sum of its proper divisors (28239816306005).

134523243242155 is a wasteful number, since it uses less digits than its factorization.

134523243242155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83440098.

The product of its digits is 3456000, while the sum is 46.

Adding to 134523243242155 its reverse (551242342325431), we get a palindrome (685765585567586).

The spelling of 134523243242155 in words is "one hundred thirty-four trillion, five hundred twenty-three billion, two hundred forty-three million, two hundred forty-two thousand, one hundred fifty-five".