135434531 has 2 divisors, whose sum is σ = 135434532. Its totient is φ = 135434530.

The previous prime is 135434483. The next prime is 135434549.

135434531 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135434531 is a prime.

It is a super-2 number, since 2×135434531² = 36685024374379922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135434494 and 135434503.

It is not a weakly prime, because it can be changed into another prime (135434561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67717265 + 67717266.

It is an arithmetic number, because the mean of its divisors is an integer number (67717266).

Almost surely, 2^135434531 is an apocalyptic number.

135434531 is a deficient number, since it is larger than the sum of its proper divisors (1).

135434531 is an equidigital number, since it uses as much as digits as its factorization.

135434531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 135434531 is about 11637.6342527165. The cubic root of 135434531 is about 513.5425927169.

The spelling of 135434531 in words is "one hundred thirty-five million, four hundred thirty-four thousand, five hundred thirty-one".