134831279 has 4 divisors (see below), whose sum is σ = 147088680. Its totient is φ = 122573880.

The previous prime is 134831243. The next prime is 134831287. The reversal of 134831279 is 972138431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 134831279 - 2¹² = 134827183 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 (134831209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128684 + ... + 6128705.

It is an arithmetic number, because the mean of its divisors is an integer number (36772170).

Almost surely, 2^134831279 is an apocalyptic number.

134831279 is a deficient number, since it is larger than the sum of its proper divisors (12257401).

134831279 is a wasteful number, since it uses less digits than its factorization.

134831279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257400.

The product of its digits is 36288, while the sum is 38.

The square root of 134831279 is about 11611.6871728444. The cubic root of 134831279 is about 512.7789846500.

The spelling of 134831279 in words is "one hundred thirty-four million, eight hundred thirty-one thousand, two hundred seventy-nine".