133755425 has 6 divisors (see below), whose sum is σ = 165856758. Its totient is φ = 107004320.

The previous prime is 133755403. The next prime is 133755449. The reversal of 133755425 is 524557331.

It can be written as a sum of positive squares in 3 ways, for example, as 11785489 + 121969936 = 3433^2 + 11044^2 .

It is not a de Polignac number, because 133755425 - 2⁶ = 133755361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2675084 + ... + 2675133.

It is an arithmetic number, because the mean of its divisors is an integer number (27642793).

Almost surely, 2^133755425 is an apocalyptic number.

It is an amenable number.

133755425 is a deficient number, since it is larger than the sum of its proper divisors (32101333).

133755425 is an equidigital number, since it uses as much as digits as its factorization.

133755425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350227 (or 5350222 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 133755425 is about 11565.2680470450. The cubic root of 133755425 is about 511.4114751085.

The spelling of 133755425 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, four hundred twenty-five".