133223440434 has 16 divisors (see below), whose sum is σ = 304510721088. Its totient is φ = 38063840112.

The previous prime is 133223440433. The next prime is 133223440457. The reversal of 133223440434 is 434044322331.

It is a happy number.

It is a super-2 number, since 2×133223440434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133223440395 and 133223440404.

It is not an unprimeable number, because it can be changed into a prime (133223440433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585993297 + ... + 1585993380.

It is an arithmetic number, because the mean of its divisors is an integer number (19031920068).

Almost surely, 2^133223440434 is an apocalyptic number.

133223440434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133223440434 is an abundant number, since it is smaller than the sum of its proper divisors (171287280654).

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

133223440434 is a wasteful number, since it uses less digits than its factorization.

133223440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171986689.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 133223440434 its reverse (434044322331), we get a palindrome (567267762765).

The spelling of 133223440434 in words is "one hundred thirty-three billion, two hundred twenty-three million, four hundred forty thousand, four hundred thirty-four".