134435131 has 2 divisors, whose sum is σ = 134435132. Its totient is φ = 134435130.

The previous prime is 134435129. The next prime is 134435143. The reversal of 134435131 is 131534431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134435131 - 2¹ = 134435129 is a prime.

It is a super-2 number, since 2×134435131² = 36145608893974322, which contains 22 as substring.

Together with 134435129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 134435096 and 134435105.

It is not a weakly prime, because it can be changed into another prime (134435111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67217565 + 67217566.

It is an arithmetic number, because the mean of its divisors is an integer number (67217566).

Almost surely, 2^134435131 is an apocalyptic number.

134435131 is a deficient number, since it is larger than the sum of its proper divisors (1).

134435131 is an equidigital number, since it uses as much as digits as its factorization.

134435131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 134435131 is about 11594.6164662743. The cubic root of 134435131 is about 512.2762930857.

Adding to 134435131 its reverse (131534431), we get a palindrome (265969562).

The spelling of 134435131 in words is "one hundred thirty-four million, four hundred thirty-five thousand, one hundred thirty-one".