134106813 has 16 divisors (see below), whose sum is σ = 207315840. Its totient is φ = 85516992.

The previous prime is 134106803. The next prime is 134106827. The reversal of 134106813 is 318601431.

It is not a de Polignac number, because 134106813 - 2⁵ = 134106781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134106803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107356 + ... + 108597.

It is an arithmetic number, because the mean of its divisors is an integer number (12957240).

Almost surely, 2^134106813 is an apocalyptic number.

It is an amenable number.

134106813 is a deficient number, since it is larger than the sum of its proper divisors (73209027).

134106813 is a wasteful number, since it uses less digits than its factorization.

134106813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215985 (or 215979 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 134106813 is about 11580.4496026709. The cubic root of 134106813 is about 511.8589254167.

The spelling of 134106813 in words is "one hundred thirty-four million, one hundred six thousand, eight hundred thirteen".