134632891 has 2 divisors, whose sum is σ = 134632892. Its totient is φ = 134632890.

The previous prime is 134632859. The next prime is 134632903. The reversal of 134632891 is 198236431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134632891 - 2⁵ = 134632859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134632891.

It is not a weakly prime, because it can be changed into another prime (134632801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67316445 + 67316446.

It is an arithmetic number, because the mean of its divisors is an integer number (67316446).

Almost surely, 2^134632891 is an apocalyptic number.

134632891 is a deficient number, since it is larger than the sum of its proper divisors (1).

134632891 is an equidigital number, since it uses as much as digits as its factorization.

134632891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 134632891 is about 11603.1414280789. The cubic root of 134632891 is about 512.5273636788.

The spelling of 134632891 in words is "one hundred thirty-four million, six hundred thirty-two thousand, eight hundred ninety-one".