134523197 has 2 divisors, whose sum is σ = 134523198. Its totient is φ = 134523196.

The previous prime is 134523149. The next prime is 134523217. The reversal of 134523197 is 791325431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 52693081 = 9046^2 + 7259^2 .

It is a cyclic number.

It is not a de Polignac number, because 134523197 - 2⁶ = 134523133 is a prime.

It is a super-2 number, since 2×134523197² = 36192981062201618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134523107) 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, 67261598 + 67261599.

It is an arithmetic number, because the mean of its divisors is an integer number (67261599).

Almost surely, 2^134523197 is an apocalyptic number.

It is an amenable number.

134523197 is a deficient number, since it is larger than the sum of its proper divisors (1).

134523197 is an equidigital number, since it uses as much as digits as its factorization.

134523197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 134523197 is about 11598.4135553101. The cubic root of 134523197 is about 512.3881296176.

It can be divided in two parts, 1345 and 23197, that added together give a palindrome (24542).

The spelling of 134523197 in words is "one hundred thirty-four million, five hundred twenty-three thousand, one hundred ninety-seven".