134154973 has 4 divisors (see below), whose sum is σ = 142046460. Its totient is φ = 126263488.

The previous prime is 134154961. The next prime is 134154989. The reversal of 134154973 is 379451431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82846404 + 51308569 = 9102^2 + 7163^2 .

It is not a de Polignac number, because 134154973 - 2¹³ = 134146781 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 (134154073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3945718 + ... + 3945751.

It is an arithmetic number, because the mean of its divisors is an integer number (35511615).

Almost surely, 2^134154973 is an apocalyptic number.

It is an amenable number.

134154973 is a deficient number, since it is larger than the sum of its proper divisors (7891487).

134154973 is an equidigital number, since it uses as much as digits as its factorization.

134154973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891486.

The product of its digits is 45360, while the sum is 37.

The square root of 134154973 is about 11582.5287826105. The cubic root of 134154973 is about 511.9201904511.

The spelling of 134154973 in words is "one hundred thirty-four million, one hundred fifty-four thousand, nine hundred seventy-three".