133400864850 has 192 divisors, whose sum is σ = 387078082560. Its totient is φ = 30059078400.

The previous prime is 133400864843. The next prime is 133400864881. The reversal of 133400864850 is 58468004331.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1621407 + ... + 1701693.

It is an arithmetic number, because the mean of its divisors is an integer number (2016031680).

Almost surely, 2^133400864850 is an apocalyptic number.

133400864850 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 133400864850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193539041280).

133400864850 is an abundant number, since it is smaller than the sum of its proper divisors (253677217710).

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

133400864850 is a wasteful number, since it uses less digits than its factorization.

133400864850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80385 (or 80380 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 133400864850 in words is "one hundred thirty-three billion, four hundred million, eight hundred sixty-four thousand, eight hundred fifty".