134752405 has 4 divisors (see below), whose sum is σ = 161702892. Its totient is φ = 107801920.

The previous prime is 134752403. The next prime is 134752439. The reversal of 134752405 is 504257431.

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 21734244 + 113018161 = 4662^2 + 10631^2 .

It is not a de Polignac number, because 134752405 - 2¹ = 134752403 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 (134752403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13475236 + ... + 13475245.

It is an arithmetic number, because the mean of its divisors is an integer number (40425723).

Almost surely, 2^134752405 is an apocalyptic number.

It is an amenable number.

134752405 is a deficient number, since it is larger than the sum of its proper divisors (26950487).

134752405 is an equidigital number, since it uses as much as digits as its factorization.

134752405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26950486.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 134752405 is about 11608.2903564651. The cubic root of 134752405 is about 512.6789761578.

The spelling of 134752405 in words is "one hundred thirty-four million, seven hundred fifty-two thousand, four hundred five".