134453813 has 16 divisors (see below), whose sum is σ = 148377600. Its totient is φ = 121080960.

The previous prime is 134453797. The next prime is 134453843. The reversal of 134453813 is 318354431.

It is not a de Polignac number, because 134453813 - 2⁴ = 134453797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134453813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134453843) 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 in 15 ways as a sum of consecutive naturals, for example, 90668 + ... + 92138.

It is an arithmetic number, because the mean of its divisors is an integer number (9273600).

Almost surely, 2^134453813 is an apocalyptic number.

134453813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134453813 is a deficient number, since it is larger than the sum of its proper divisors (13923787).

134453813 is a wasteful number, since it uses less digits than its factorization.

134453813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its digits is 17280, while the sum is 32.

The square root of 134453813 is about 11595.4220708002. The cubic root of 134453813 is about 512.3000217602.

The spelling of 134453813 in words is "one hundred thirty-four million, four hundred fifty-three thousand, eight hundred thirteen".