134475961 has 2 divisors, whose sum is σ = 134475962. Its totient is φ = 134475960.

The previous prime is 134475959. The next prime is 134475973. The reversal of 134475961 is 169574431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96727225 + 37748736 = 9835^2 + 6144^2 .

It is a cyclic number.

It is not a de Polignac number, because 134475961 - 2¹ = 134475959 is a prime.

Together with 134475959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134475911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67237980 + 67237981.

It is an arithmetic number, because the mean of its divisors is an integer number (67237981).

Almost surely, 2^134475961 is an apocalyptic number.

It is an amenable number.

134475961 is a deficient number, since it is larger than the sum of its proper divisors (1).

134475961 is an equidigital number, since it uses as much as digits as its factorization.

134475961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 134475961 is about 11596.3770635488. The cubic root of 134475961 is about 512.3281498777.

The spelling of 134475961 in words is "one hundred thirty-four million, four hundred seventy-five thousand, nine hundred sixty-one".