133689299801428 has 36 divisors (see below), whose sum is σ = 283985966047392. Its totient is φ = 54804309233520.

The previous prime is 133689299801411. The next prime is 133689299801459. The reversal of 133689299801428 is 824108992986331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14828001238 + ... + 14828010253.

It is an arithmetic number, because the mean of its divisors is an integer number (7888499056872).

Almost surely, 2^{133689299801428} is an apocalyptic number.

It is an amenable number.

133689299801428 is an abundant number, since it is smaller than the sum of its proper divisors (150296666245964).

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

133689299801428 is a wasteful number, since it uses less digits than its factorization.

133689299801428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29656011532 (or 29656011523 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 73.

The spelling of 133689299801428 in words is "one hundred thirty-three trillion, six hundred eighty-nine billion, two hundred ninety-nine million, eight hundred one thousand, four hundred twenty-eight".