134003405 has 16 divisors (see below), whose sum is σ = 168148224. Its totient is φ = 102326400.

The previous prime is 134003393. The next prime is 134003411. The reversal of 134003405 is 504300431.

It is not a de Polignac number, because 134003405 - 2²² = 129809101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73505 + ... + 75305.

It is an arithmetic number, because the mean of its divisors is an integer number (10509264).

Almost surely, 2^134003405 is an apocalyptic number.

It is an amenable number.

134003405 is a deficient number, since it is larger than the sum of its proper divisors (34144819).

134003405 is a wasteful number, since it uses less digits than its factorization.

134003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 134003405 is about 11575.9839754554. The cubic root of 134003405 is about 511.7273290246.

Adding to 134003405 its reverse (504300431), we get a palindrome (638303836).

The spelling of 134003405 in words is "one hundred thirty-four million, three thousand, four hundred five".