133234421164 has 72 divisors (see below), whose sum is σ = 281397065040. Its totient is φ = 54829412352.

The previous prime is 133234421141. The next prime is 133234421167. The reversal of 133234421164 is 461124432331.

It is a super-2 number, since 2×133234421164² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (133234421167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86749 + ... + 523444.

It is an arithmetic number, because the mean of its divisors is an integer number (3908292570).

Almost surely, 2^133234421164 is an apocalyptic number.

It is an amenable number.

133234421164 is an abundant number, since it is smaller than the sum of its proper divisors (148162643876).

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

133234421164 is a wasteful number, since it uses less digits than its factorization.

133234421164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610259 (or 610244 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

Adding to 133234421164 its reverse (461124432331), we get a palindrome (594358853495).

The spelling of 133234421164 in words is "one hundred thirty-three billion, two hundred thirty-four million, four hundred twenty-one thousand, one hundred sixty-four".