133577925789 has 32 divisors (see below), whose sum is σ = 223178858496. Its totient is φ = 69038867520.

The previous prime is 133577925781. The next prime is 133577925791. The reversal of 133577925789 is 987529775331.

It is a happy number.

It is not a de Polignac number, because 133577925789 - 2³ = 133577925781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133577925781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422157 + ... + 1513170.

It is an arithmetic number, because the mean of its divisors is an integer number (6974339328).

Almost surely, 2^133577925789 is an apocalyptic number.

It is an amenable number.

133577925789 is a deficient number, since it is larger than the sum of its proper divisors (89600932707).

133577925789 is a wasteful number, since it uses less digits than its factorization.

133577925789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935545.

The product of its digits is 100018800, while the sum is 66.

The spelling of 133577925789 in words is "one hundred thirty-three billion, five hundred seventy-seven million, nine hundred twenty-five thousand, seven hundred eighty-nine".