134843554907 has 4 divisors (see below), whose sum is σ = 134845535760. Its totient is φ = 134841574056.

The previous prime is 134843554903. The next prime is 134843554919. The reversal of 134843554907 is 709455348431.

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

It is a cyclic number.

It is not a de Polignac number, because 134843554907 - 2² = 134843554903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134843554903) 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, 884543 + ... + 1025720.

It is an arithmetic number, because the mean of its divisors is an integer number (33711383940).

Almost surely, 2^134843554907 is an apocalyptic number.

134843554907 is a deficient number, since it is larger than the sum of its proper divisors (1980853).

134843554907 is an equidigital number, since it uses as much as digits as its factorization.

134843554907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980852.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 134843554907 in words is "one hundred thirty-four billion, eight hundred forty-three million, five hundred fifty-four thousand, nine hundred seven".