134490513 has 4 divisors (see below), whose sum is σ = 179320688. Its totient is φ = 89660340.

The previous prime is 134490511. The next prime is 134490539. The reversal of 134490513 is 315094431.

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 not a de Polignac number, because 134490513 - 2¹ = 134490511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134490511) 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, 22415083 + ... + 22415088.

It is an arithmetic number, because the mean of its divisors is an integer number (44830172).

Almost surely, 2^134490513 is an apocalyptic number.

It is an amenable number.

134490513 is a deficient number, since it is larger than the sum of its proper divisors (44830175).

134490513 is an equidigital number, since it uses as much as digits as its factorization.

134490513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44830174.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 134490513 is about 11597.0044839174. The cubic root of 134490513 is about 512.3466293399.

The spelling of 134490513 in words is "one hundred thirty-four million, four hundred ninety thousand, five hundred thirteen".