133557537702389 has 8 divisors (see below), whose sum is σ = 137866741233408. Its totient is φ = 129248390162880.

The previous prime is 133557537702367. The next prime is 133557537702397. The reversal of 133557537702389 is 983207735755331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133557537702389 - 2⁸ = 133557537702133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133557537702319) 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, 9123332 + ... + 18717645.

It is an arithmetic number, because the mean of its divisors is an integer number (17233342654176).

Almost surely, 2^{133557537702389} is an apocalyptic number.

It is an amenable number.

133557537702389 is a deficient number, since it is larger than the sum of its proper divisors (4309203531019).

133557537702389 is a wasteful number, since it uses less digits than its factorization.

133557537702389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27995755.

The product of its (nonzero) digits is 500094000, while the sum is 68.

The spelling of 133557537702389 in words is "one hundred thirty-three trillion, five hundred fifty-seven billion, five hundred thirty-seven million, seven hundred two thousand, three hundred eighty-nine".