134126643 has 16 divisors (see below), whose sum is σ = 215141120. Its totient is φ = 72609696.

The previous prime is 134126609. The next prime is 134126659. The reversal of 134126643 is 346621431.

It is not a de Polignac number, because 134126643 - 2²⁵ = 100572211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134126643.

It is not an unprimeable number, because it can be changed into a prime (134126143) 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, 167680 + ... + 168477.

It is an arithmetic number, because the mean of its divisors is an integer number (13446320).

Almost surely, 2^134126643 is an apocalyptic number.

134126643 is a deficient number, since it is larger than the sum of its proper divisors (81014477).

134126643 is a wasteful number, since it uses less digits than its factorization.

134126643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336186.

The product of its digits is 10368, while the sum is 30.

The square root of 134126643 is about 11581.3057553974. The cubic root of 134126643 is about 511.8841532233.

The spelling of 134126643 in words is "one hundred thirty-four million, one hundred twenty-six thousand, six hundred forty-three".