133677755620 has 48 divisors (see below), whose sum is σ = 290599792560. Its totient is φ = 51592357376.

The previous prime is 133677755611. The next prime is 133677755641. The reversal of 133677755620 is 26557776331.

133677755620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2696164 + 133675059456 = 1642^2 + 365616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788754 + ... + 943126.

It is an arithmetic number, because the mean of its divisors is an integer number (6054162345).

Almost surely, 2^133677755620 is an apocalyptic number.

133677755620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133677755620 is an abundant number, since it is smaller than the sum of its proper divisors (156922036940).

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

133677755620 is a wasteful number, since it uses less digits than its factorization.

133677755620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155904 (or 155902 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 52.

The spelling of 133677755620 in words is "one hundred thirty-three billion, six hundred seventy-seven million, seven hundred fifty-five thousand, six hundred twenty".