134235037161 has 15 divisors (see below), whose sum is σ = 200528870311. Its totient is φ = 89487826488.

The previous prime is 134235037141. The next prime is 134235037171. The reversal of 134235037161 is 161730532431.

The square root of 134235037161 is 366381.

It is a perfect power (a square), and thus also a powerful number.

134235037161 is a `hidden beast` number, since 1 + 3 + 4 + 23 + 503 + 71 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41587852761 + 92647184400 = 203931^2 + 304380^2 .

It is not a de Polignac number, because 134235037161 - 2³⁵ = 99875298793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134235037141) 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 14 ways as a sum of consecutive naturals, for example, 3277075 + ... + 3317783.

Almost surely, 2^134235037161 is an apocalyptic number.

134235037161 is the 366381-st square number.

134235037161 is the 183191-st centered octagonal number.

It is an amenable number.

134235037161 is a deficient number, since it is larger than the sum of its proper divisors (66293833150).

134235037161 is an frugal number, since it uses more digits than its factorization.

134235037161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81430 (or 40712 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Multiplying 134235037161 by its sum of digits (36), we get a square (4832461337796 = 2198286²).

Adding to 134235037161 its reverse (161730532431), we get a palindrome (295965569592).

The spelling of 134235037161 in words is "one hundred thirty-four billion, two hundred thirty-five million, thirty-seven thousand, one hundred sixty-one".