134774409 has 32 divisors (see below), whose sum is σ = 225275904. Its totient is φ = 69626880.

The previous prime is 134774407. The next prime is 134774447. The reversal of 134774409 is 904477431.

It is not a de Polignac number, because 134774409 - 2¹ = 134774407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134774407) 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 31 ways as a sum of consecutive naturals, for example, 43072 + ... + 46094.

It is an arithmetic number, because the mean of its divisors is an integer number (7039872).

Almost surely, 2^134774409 is an apocalyptic number.

It is an amenable number.

134774409 is a deficient number, since it is larger than the sum of its proper divisors (90501495).

134774409 is a wasteful number, since it uses less digits than its factorization.

134774409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 134774409 is about 11609.2380886947. The cubic root of 134774409 is about 512.7068801105.

The spelling of 134774409 in words is "one hundred thirty-four million, seven hundred seventy-four thousand, four hundred nine".