133797203089 has 15 divisors (see below), whose sum is σ = 147224711065. Its totient is φ = 121593584860.

The previous prime is 133797203063. The next prime is 133797203117. The reversal of 133797203089 is 980302797331.

It is a happy number.

The square root of 133797203089 is 365783.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-133797203089 is a prime.

It is a super-2 number, since 2×133797203089² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133797203009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 44258232 + ... + 44261254.

Almost surely, 2^133797203089 is an apocalyptic number.

133797203089 is the 365783-rd square number.

133797203089 is the 182892-nd centered octagonal number.

It is an amenable number.

133797203089 is a deficient number, since it is larger than the sum of its proper divisors (13427507976).

133797203089 is an frugal number, since it uses more digits than its factorization.

133797203089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 133797203089 in words is "one hundred thirty-three billion, seven hundred ninety-seven million, two hundred three thousand, eighty-nine".