134091613 has 4 divisors (see below), whose sum is σ = 134586688. Its totient is φ = 133596540.

The previous prime is 134091577. The next prime is 134091619. The reversal of 134091613 is 316190431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134091613 - 2²¹ = 131994461 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 (134091619) 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, 247131 + ... + 247672.

It is an arithmetic number, because the mean of its divisors is an integer number (33646672).

Almost surely, 2^134091613 is an apocalyptic number.

It is an amenable number.

134091613 is a deficient number, since it is larger than the sum of its proper divisors (495075).

134091613 is an equidigital number, since it uses as much as digits as its factorization.

134091613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495074.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 134091613 is about 11579.7933055819. The cubic root of 134091613 is about 511.8395862311.

The spelling of 134091613 in words is "one hundred thirty-four million, ninety-one thousand, six hundred thirteen".