133528999326 has 16 divisors (see below), whose sum is σ = 267087901824. Its totient is φ = 44504682584.

The previous prime is 133528999283. The next prime is 133528999363. The reversal of 133528999326 is 623999825331.

It is a happy number.

It is a super-2 number, since 2×133528999326² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133528999326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187706 + ... + 1295261.

It is an arithmetic number, because the mean of its divisors is an integer number (16692993864).

Almost surely, 2^133528999326 is an apocalyptic number.

133528999326 is an abundant number, since it is smaller than the sum of its proper divisors (133558902498).

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

133528999326 is a wasteful number, since it uses less digits than its factorization.

133528999326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491935.

The product of its digits is 18895680, while the sum is 60.

The spelling of 133528999326 in words is "one hundred thirty-three billion, five hundred twenty-eight million, nine hundred ninety-nine thousand, three hundred twenty-six".