133550021410 has 32 divisors (see below), whose sum is σ = 270137306880. Its totient is φ = 47166829248.

The previous prime is 133550021401. The next prime is 133550021441. The reversal of 133550021410 is 14120055331.

It is a happy number.

133550021410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133550021410² (a number of 23 digits) contains 22 as substring.

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, 22329790 + ... + 22335769.

It is an arithmetic number, because the mean of its divisors is an integer number (8441790840).

Almost surely, 2^133550021410 is an apocalyptic number.

133550021410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133550021410 is an abundant number, since it is smaller than the sum of its proper divisors (136587285470).

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

133550021410 is a wasteful number, since it uses less digits than its factorization.

133550021410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44665602.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 133550021410 its reverse (14120055331), we get a palindrome (147670076741).

The spelling of 133550021410 in words is "one hundred thirty-three billion, five hundred fifty million, twenty-one thousand, four hundred ten".