134858431 has 2 divisors, whose sum is σ = 134858432. Its totient is φ = 134858430.

The previous prime is 134858429. The next prime is 134858441.

134858431 is nontrivially palindromic in base 10.

134858431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 134858431 - 2¹ = 134858429 is a prime.

It is a super-2 number, since 2×134858431² = 36373592823563522, which contains 22 as substring.

Together with 134858429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134858411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67429215 + 67429216.

It is an arithmetic number, because the mean of its divisors is an integer number (67429216).

Almost surely, 2^134858431 is an apocalyptic number.

134858431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134858431 is an equidigital number, since it uses as much as digits as its factorization.

134858431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 134858431 is about 11612.8562808639. The cubic root of 134858431 is about 512.8134030743.

The spelling of 134858431 in words is "one hundred thirty-four million, eight hundred fifty-eight thousand, four hundred thirty-one".