134525431 has 2 divisors, whose sum is σ = 134525432. Its totient is φ = 134525430.

The previous prime is 134525423. The next prime is 134525441.

134525431 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 134525431 - 2³ = 134525423 is a prime.

It is a super-2 number, since 2×134525431² = 36194183171471522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134525431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134525411) 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, 67262715 + 67262716.

It is an arithmetic number, because the mean of its divisors is an integer number (67262716).

Almost surely, 2^134525431 is an apocalyptic number.

134525431 is a deficient number, since it is larger than the sum of its proper divisors (1).

134525431 is an equidigital number, since it uses as much as digits as its factorization.

134525431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 134525431 is about 11598.5098611848. The cubic root of 134525431 is about 512.3909659778.

The spelling of 134525431 in words is "one hundred thirty-four million, five hundred twenty-five thousand, four hundred thirty-one".