133841761 has 9 divisors (see below), whose sum is σ = 140192689. Its totient is φ = 127768036.

The previous prime is 133841713. The next prime is 133841767. The reversal of 133841761 is 167148331.

The square root of 133841761 is 11569.

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

It is not a de Polignac number, because 133841761 - 2⁷ = 133841633 is a prime.

It is a super-2 number, since 2×133841761² = 35827233975162242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133841767) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 265836 + ... + 266338.

Almost surely, 2^133841761 is an apocalyptic number.

133841761 is the 11569-th square number.

133841761 is the 5785-th centered octagonal number.

It is an amenable number.

133841761 is a deficient number, since it is larger than the sum of its proper divisors (6350928).

133841761 is an frugal number, since it uses more digits than its factorization.

133841761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 526 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The cubic root of 133841761 is about 511.5214861593.

The spelling of 133841761 in words is "one hundred thirty-three million, eight hundred forty-one thousand, seven hundred sixty-one".