134522639 has 16 divisors (see below), whose sum is σ = 141916320. Its totient is φ = 127370880.

The previous prime is 134522627. The next prime is 134522651. The reversal of 134522639 is 936225431.

It is an interprime number because it is at equal distance from previous prime (134522627) and next prime (134522651).

It is a cyclic number.

It is not a de Polignac number, because 134522639 - 2⁸ = 134522383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134522599 and 134522608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134522669) 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, 354752 + ... + 355130.

It is an arithmetic number, because the mean of its divisors is an integer number (8869770).

Almost surely, 2^134522639 is an apocalyptic number.

134522639 is a deficient number, since it is larger than the sum of its proper divisors (7393681).

134522639 is a wasteful number, since it uses less digits than its factorization.

134522639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its digits is 38880, while the sum is 35.

The square root of 134522639 is about 11598.3895002711. The cubic root of 134522639 is about 512.3874211574.

The spelling of 134522639 in words is "one hundred thirty-four million, five hundred twenty-two thousand, six hundred thirty-nine".