134542479 has 16 divisors (see below), whose sum is σ = 190368000. Its totient is φ = 84338496.

The previous prime is 134542469. The next prime is 134542483. The reversal of 134542479 is 974245431.

It is not a de Polignac number, because 134542479 - 2⁷ = 134542351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134542469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12454 + ... + 20595.

It is an arithmetic number, because the mean of its divisors is an integer number (11898000).

Almost surely, 2^134542479 is an apocalyptic number.

134542479 is a deficient number, since it is larger than the sum of its proper divisors (55825521).

134542479 is a wasteful number, since it uses less digits than its factorization.

134542479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33134.

The product of its digits is 120960, while the sum is 39.

The square root of 134542479 is about 11599.2447598971. The cubic root of 134542479 is about 512.4126096481.

The spelling of 134542479 in words is "one hundred thirty-four million, five hundred forty-two thousand, four hundred seventy-nine".