134401447 has 2 divisors, whose sum is σ = 134401448. Its totient is φ = 134401446.

The previous prime is 134401441. The next prime is 134401453. The reversal of 134401447 is 744104431.

It is a balanced prime because it is at equal distance from previous prime (134401441) and next prime (134401453).

It is a cyclic number.

It is not a de Polignac number, because 134401447 - 2²³ = 126012839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134401441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67200723 + 67200724.

It is an arithmetic number, because the mean of its divisors is an integer number (67200724).

Almost surely, 2^134401447 is an apocalyptic number.

134401447 is a deficient number, since it is larger than the sum of its proper divisors (1).

134401447 is an equidigital number, since it uses as much as digits as its factorization.

134401447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 134401447 is about 11593.1638045876. The cubic root of 134401447 is about 512.2335042801.

Adding to 134401447 its reverse (744104431), we get a palindrome (878505878).

The spelling of 134401447 in words is "one hundred thirty-four million, four hundred one thousand, four hundred forty-seven".