134813953 has 4 divisors (see below), whose sum is σ = 139462740. Its totient is φ = 130165168.

The previous prime is 134813941. The next prime is 134813963. The reversal of 134813953 is 359318431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359318431 = 47 ⋅7645073.

It can be written as a sum of positive squares in 2 ways, for example, as 98247744 + 36566209 = 9912^2 + 6047^2 .

It is a cyclic number.

It is not a de Polignac number, because 134813953 - 2¹³ = 134805761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134813963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324350 + ... + 2324407.

It is an arithmetic number, because the mean of its divisors is an integer number (34865685).

Almost surely, 2^134813953 is an apocalyptic number.

It is an amenable number.

134813953 is a deficient number, since it is larger than the sum of its proper divisors (4648787).

134813953 is an equidigital number, since it uses as much as digits as its factorization.

134813953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648786.

The product of its digits is 38880, while the sum is 37.

The square root of 134813953 is about 11610.9410901959. The cubic root of 134813953 is about 512.7570194469.

The spelling of 134813953 in words is "one hundred thirty-four million, eight hundred thirteen thousand, nine hundred fifty-three".