134445016643 has 16 divisors (see below), whose sum is σ = 156978929664. Its totient is φ = 112744796640.

The previous prime is 134445016583. The next prime is 134445016691. The reversal of 134445016643 is 346610544431.

It is not a de Polignac number, because 134445016643 - 2¹⁰ = 134445015619 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 134445016643.

It is not an unprimeable number, because it can be changed into a prime (134445013643) 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, 827246 + ... + 976332.

It is an arithmetic number, because the mean of its divisors is an integer number (9811183104).

Almost surely, 2^134445016643 is an apocalyptic number.

134445016643 is a deficient number, since it is larger than the sum of its proper divisors (22533913021).

134445016643 is a wasteful number, since it uses less digits than its factorization.

134445016643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151882.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 134445016643 in words is "one hundred thirty-four billion, four hundred forty-five million, sixteen thousand, six hundred forty-three".