133778208700 has 36 divisors (see below), whose sum is σ = 292514762232. Its totient is φ = 53102795200.

The previous prime is 133778208671. The next prime is 133778208743. The reversal of 133778208700 is 7802877331.

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, 5092939 + ... + 5119138.

It is an arithmetic number, because the mean of its divisors is an integer number (8125410062).

Almost surely, 2^133778208700 is an apocalyptic number.

133778208700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133778208700 is an abundant number, since it is smaller than the sum of its proper divisors (158736553532).

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

133778208700 is a wasteful number, since it uses less digits than its factorization.

133778208700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212222 (or 10212215 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 133778208700 in words is "one hundred thirty-three billion, seven hundred seventy-eight million, two hundred eight thousand, seven hundred".