134690813 has 8 divisors (see below), whose sum is σ = 144420480. Its totient is φ = 125161920.

The previous prime is 134690807. The next prime is 134690821. The reversal of 134690813 is 318096431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134690813 - 2⁸ = 134690557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134690833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48803 + ... + 51488.

It is an arithmetic number, because the mean of its divisors is an integer number (18052560).

Almost surely, 2^134690813 is an apocalyptic number.

It is an amenable number.

134690813 is a deficient number, since it is larger than the sum of its proper divisors (9729667).

134690813 is a wasteful number, since it uses less digits than its factorization.

134690813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100387.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 134690813 is about 11605.6371216750. The cubic root of 134690813 is about 512.6008532832.

The spelling of 134690813 in words is "one hundred thirty-four million, six hundred ninety thousand, eight hundred thirteen".