134235641 has 2 divisors, whose sum is σ = 134235642. Its totient is φ = 134235640.

The previous prime is 134235623. The next prime is 134235691. The reversal of 134235641 is 146532431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116553616 + 17682025 = 10796^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 134235641 - 2²² = 130041337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134235601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67117820 + 67117821.

It is an arithmetic number, because the mean of its divisors is an integer number (67117821).

Almost surely, 2^134235641 is an apocalyptic number.

It is an amenable number.

134235641 is a deficient number, since it is larger than the sum of its proper divisors (1).

134235641 is an equidigital number, since it uses as much as digits as its factorization.

134235641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 134235641 is about 11586.0105731006. The cubic root of 134235641 is about 512.0227765441.

The spelling of 134235641 in words is "one hundred thirty-four million, two hundred thirty-five thousand, six hundred forty-one".