134445643632 has 60 divisors (see below), whose sum is σ = 376520968824. Its totient is φ = 44784259200.

The previous prime is 134445643627. The next prime is 134445643637. The reversal of 134445643632 is 236346544431.

It is a happy number.

134445643632 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 4 + 5 + 6 + 4 + 3 + 632 = 666.

It is an interprime number because it is at equal distance from previous prime (134445643627) and next prime (134445643637).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134445643637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112783 + ... + 530670.

Almost surely, 2^134445643632 is an apocalyptic number.

134445643632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134445643632 is an abundant number, since it is smaller than the sum of its proper divisors (242075325192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134445643632 is a wasteful number, since it uses less digits than its factorization.

134445643632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644918 (or 644909 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The spelling of 134445643632 in words is "one hundred thirty-four billion, four hundred forty-five million, six hundred forty-three thousand, six hundred thirty-two".