134524742661 has 6 divisors (see below), whose sum is σ = 194313517190. Its totient is φ = 89683161768.

The previous prime is 134524742629. The next prime is 134524742713. The reversal of 134524742661 is 166247425431.

134524742661 is a `hidden beast` number, since 1 + 34 + 524 + 74 + 26 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122843240100 + 11681502561 = 350490^2 + 108081^2 .

It is not a de Polignac number, because 134524742661 - 2⁵ = 134524742629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134524742621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7473596806 + ... + 7473596823.

Almost surely, 2^134524742661 is an apocalyptic number.

It is an amenable number.

134524742661 is a deficient number, since it is larger than the sum of its proper divisors (59788774529).

134524742661 is a wasteful number, since it uses less digits than its factorization.

134524742661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947193635 (or 14947193632 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 134524742661 in words is "one hundred thirty-four billion, five hundred twenty-four million, seven hundred forty-two thousand, six hundred sixty-one".