134587479 has 16 divisors (see below), whose sum is σ = 193957344. Its totient is φ = 82521600.

The previous prime is 134587477. The next prime is 134587501. The reversal of 134587479 is 974785431.

It is a happy number.

It is not a de Polignac number, because 134587479 - 2¹ = 134587477 is a prime.

It is a super-2 number, since 2×134587479² = 36227579007150882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134587477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4819 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (12122334).

Almost surely, 2^134587479 is an apocalyptic number.

134587479 is a deficient number, since it is larger than the sum of its proper divisors (59369865).

134587479 is a wasteful number, since it uses less digits than its factorization.

134587479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578.

The product of its digits is 846720, while the sum is 48.

The square root of 134587479 is about 11601.1843791916. The cubic root of 134587479 is about 512.4697316250.

The spelling of 134587479 in words is "one hundred thirty-four million, five hundred eighty-seven thousand, four hundred seventy-nine".