134366126023551 has 4 divisors (see below), whose sum is σ = 179154834698072. Its totient is φ = 89577417349032.

The previous prime is 134366126023523. The next prime is 134366126023579. The reversal of 134366126023551 is 155320621663431.

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

It is an interprime number because it is at equal distance from previous prime (134366126023523) and next prime (134366126023579).

It is not a de Polignac number, because 134366126023551 - 2¹⁴ = 134366126007167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134366126023551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134366126021551) 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, 22394354337256 + ... + 22394354337261.

It is an arithmetic number, because the mean of its divisors is an integer number (44788708674518).

Almost surely, 2^{134366126023551} is an apocalyptic number.

134366126023551 is a deficient number, since it is larger than the sum of its proper divisors (44788708674521).

134366126023551 is an equidigital number, since it uses as much as digits as its factorization.

134366126023551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44788708674520.

The product of its (nonzero) digits is 2332800, while the sum is 48.

Adding to 134366126023551 its reverse (155320621663431), we get a palindrome (289686747686982).

The spelling of 134366126023551 in words is "one hundred thirty-four trillion, three hundred sixty-six billion, one hundred twenty-six million, twenty-three thousand, five hundred fifty-one".