134007905 has 4 divisors (see below), whose sum is σ = 160809492. Its totient is φ = 107206320.

The previous prime is 134007901. The next prime is 134007917. The reversal of 134007905 is 509700431.

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 51724864 + 82283041 = 7192^2 + 9071^2 .

It is not a de Polignac number, because 134007905 - 2² = 134007901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134007901) 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, 13400786 + ... + 13400795.

It is an arithmetic number, because the mean of its divisors is an integer number (40202373).

Almost surely, 2^134007905 is an apocalyptic number.

It is an amenable number.

134007905 is a deficient number, since it is larger than the sum of its proper divisors (26801587).

134007905 is an equidigital number, since it uses as much as digits as its factorization.

134007905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26801586.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 134007905 is about 11576.1783417499. The cubic root of 134007905 is about 511.7330571060.

The spelling of 134007905 in words is "one hundred thirty-four million, seven thousand, nine hundred five".