134553213 has 6 divisors (see below), whose sum is σ = 194354654. Its totient is φ = 89702136.

The previous prime is 134553203. The next prime is 134553227. The reversal of 134553213 is 312355431.

It can be written as a sum of positive squares in only one way, i.e., 128187684 + 6365529 = 11322^2 + 2523^2 .

It is not a de Polignac number, because 134553213 - 2¹² = 134549117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134553203) 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 in 5 ways as a sum of consecutive naturals, for example, 7475170 + ... + 7475187.

Almost surely, 2^134553213 is an apocalyptic number.

It is an amenable number.

134553213 is a deficient number, since it is larger than the sum of its proper divisors (59801441).

134553213 is a wasteful number, since it uses less digits than its factorization.

134553213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950363 (or 14950360 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 134553213 is about 11599.7074532076. The cubic root of 134553213 is about 512.4262363003.

The spelling of 134553213 in words is "one hundred thirty-four million, five hundred fifty-three thousand, two hundred thirteen".