134445643604 has 24 divisors (see below), whose sum is σ = 243409017600. Its totient is φ = 64900515680.

The previous prime is 134445643589. The next prime is 134445643627. The reversal of 134445643604 is 406346544431.

It is a super-2 number, since 2×134445643604² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394209 + ... + 2449719.

It is an arithmetic number, because the mean of its divisors is an integer number (10142042400).

Almost surely, 2^134445643604 is an apocalyptic number.

It is an amenable number.

134445643604 is a deficient number, since it is larger than the sum of its proper divisors (108963373996).

134445643604 is a wasteful number, since it uses less digits than its factorization.

134445643604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76423 (or 76421 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 134445643604 in words is "one hundred thirty-four billion, four hundred forty-five million, six hundred forty-three thousand, six hundred four".