134454432820 has 12 divisors (see below), whose sum is σ = 282354308964. Its totient is φ = 53781773120.

The previous prime is 134454432817. The next prime is 134454432859. The reversal of 134454432820 is 28234454431.

It can be written as a sum of positive squares in 2 ways, for example, as 55859431716 + 78595001104 = 236346^2 + 280348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361360801 + ... + 3361360840.

It is an arithmetic number, because the mean of its divisors is an integer number (23529525747).

Almost surely, 2^134454432820 is an apocalyptic number.

134454432820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134454432820 is an abundant number, since it is smaller than the sum of its proper divisors (147899876144).

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

134454432820 is a wasteful number, since it uses less digits than its factorization.

134454432820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722721650 (or 6722721648 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 134454432820 in words is "one hundred thirty-four billion, four hundred fifty-four million, four hundred thirty-two thousand, eight hundred twenty".