133777683390 has 128 divisors (see below), whose sum is σ = 348834511872. Its totient is φ = 32638095360.

The previous prime is 133777683343. The next prime is 133777683401. The reversal of 133777683390 is 93386777331.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133777683390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78831022 + ... + 78832718.

It is an arithmetic number, because the mean of its divisors is an integer number (2725269624).

Almost surely, 2^133777683390 is an apocalyptic number.

133777683390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133777683390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174417255936).

133777683390 is an abundant number, since it is smaller than the sum of its proper divisors (215056828482).

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

133777683390 is a wasteful number, since it uses less digits than its factorization.

133777683390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 12002256, while the sum is 57.

The spelling of 133777683390 in words is "one hundred thirty-three billion, seven hundred seventy-seven million, six hundred eighty-three thousand, three hundred ninety".