134662557551 has 4 divisors (see below), whose sum is σ = 141750060600. Its totient is φ = 127575054504.

The previous prime is 134662557493. The next prime is 134662557577. The reversal of 134662557551 is 155755266431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155755266431 = 1103 ⋅141210577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134662557551 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 134662557551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134662557151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543751496 + ... + 3543751533.

It is an arithmetic number, because the mean of its divisors is an integer number (35437515150).

Almost surely, 2^134662557551 is an apocalyptic number.

134662557551 is a deficient number, since it is larger than the sum of its proper divisors (7087503049).

134662557551 is an equidigital number, since it uses as much as digits as its factorization.

134662557551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087503048.

The product of its digits is 3780000, while the sum is 50.

The spelling of 134662557551 in words is "one hundred thirty-four billion, six hundred sixty-two million, five hundred fifty-seven thousand, five hundred fifty-one".