134190120961 has 4 divisors (see below), whose sum is σ = 144512437972. Its totient is φ = 123867803952.

The previous prime is 134190120937. The next prime is 134190120971. The reversal of 134190120961 is 169021091431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28471500225 + 105718620736 = 168735^2 + 325144^2 .

It is a cyclic number.

It is not a de Polignac number, because 134190120961 - 2⁵ = 134190120929 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 134190120961.

It is not an unprimeable number, because it can be changed into a prime (134190120931) 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 3 ways as a sum of consecutive naturals, for example, 5161158486 + ... + 5161158511.

It is an arithmetic number, because the mean of its divisors is an integer number (36128109493).

Almost surely, 2^134190120961 is an apocalyptic number.

It is an amenable number.

134190120961 is a deficient number, since it is larger than the sum of its proper divisors (10322317011).

134190120961 is a wasteful number, since it uses less digits than its factorization.

134190120961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10322317010.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 134190120961 in words is "one hundred thirty-four billion, one hundred ninety million, one hundred twenty thousand, nine hundred sixty-one".