134986479 has 8 divisors (see below), whose sum is σ = 180228480. Its totient is φ = 89867736.

The previous prime is 134986463. The next prime is 134986519. The reversal of 134986479 is 974689431.

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

It is not a de Polignac number, because 134986479 - 2⁴ = 134986463 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134986429) 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, 28227 + ... + 32660.

It is an arithmetic number, because the mean of its divisors is an integer number (22528560).

Almost surely, 2^134986479 is an apocalyptic number.

134986479 is a deficient number, since it is larger than the sum of its proper divisors (45242001).

134986479 is an equidigital number, since it uses as much as digits as its factorization.

134986479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61629.

The product of its digits is 1306368, while the sum is 51.

The square root of 134986479 is about 11618.3681728546. The cubic root of 134986479 is about 512.9756570721.

The spelling of 134986479 in words is "one hundred thirty-four million, nine hundred eighty-six thousand, four hundred seventy-nine".