133870050 has 96 divisors (see below), whose sum is σ = 376047360. Its totient is φ = 35006400.

The previous prime is 133870031. The next prime is 133870057. The reversal of 133870050 is 50078331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133869996 and 133870023.

It is not an unprimeable number, because it can be changed into a prime (133870057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70615 + ... + 72485.

It is an arithmetic number, because the mean of its divisors is an integer number (3917160).

Almost surely, 2^133870050 is an apocalyptic number.

133870050 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 133870050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188023680).

133870050 is an abundant number, since it is smaller than the sum of its proper divisors (242177310).

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

133870050 is a wasteful number, since it uses less digits than its factorization.

133870050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 133870050 is about 11570.2225562000. Note that the first 3 decimals coincide. The cubic root of 133870050 is about 511.5575222759.

The spelling of 133870050 in words is "one hundred thirty-three million, eight hundred seventy thousand, fifty".