134455557780 has 36 divisors (see below), whose sum is σ = 407848525812. Its totient is φ = 35854815360.

The previous prime is 134455557779. The next prime is 134455557811. The reversal of 134455557780 is 87755554431.

134455557780 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 5 + 5 + 557 + 7 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98082965124 + 36372592656 = 313182^2 + 190716^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373487481 + ... + 373487840.

It is an arithmetic number, because the mean of its divisors is an integer number (11329125717).

Almost surely, 2^134455557780 is an apocalyptic number.

134455557780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134455557780 is an abundant number, since it is smaller than the sum of its proper divisors (273392968032).

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

134455557780 is a wasteful number, since it uses less digits than its factorization.

134455557780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746975336 (or 746975331 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 134455557780 in words is "one hundred thirty-four billion, four hundred fifty-five million, five hundred fifty-seven thousand, seven hundred eighty".