134859547 has 2 divisors, whose sum is σ = 134859548. Its totient is φ = 134859546.

The previous prime is 134859523. The next prime is 134859551. The reversal of 134859547 is 745958431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134859547 - 2²⁷ = 641819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134859497 and 134859506.

It is not a weakly prime, because it can be changed into another prime (134859577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67429773 + 67429774.

It is an arithmetic number, because the mean of its divisors is an integer number (67429774).

Almost surely, 2^134859547 is an apocalyptic number.

134859547 is a deficient number, since it is larger than the sum of its proper divisors (1).

134859547 is an equidigital number, since it uses as much as digits as its factorization.

134859547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 134859547 is about 11612.9043309587. The cubic root of 134859547 is about 512.8148176396.

It can be divided in two parts, 13485 and 9547, that added together give a palindrome (23032).

The spelling of 134859547 in words is "one hundred thirty-four million, eight hundred fifty-nine thousand, five hundred forty-seven".