255239133 has 16 divisors (see below), whose sum is σ = 347466240. Its totient is φ = 166608944.

The previous prime is 255239111. The next prime is 255239137. The reversal of 255239133 is 331932552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255239133 - 2⁶ = 255239069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255239094 and 255239103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255239137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43810 + ... + 49292.

It is an arithmetic number, because the mean of its divisors is an integer number (21716640).

Almost surely, 2^255239133 is an apocalyptic number.

It is an amenable number.

255239133 is a deficient number, since it is larger than the sum of its proper divisors (92227107).

255239133 is a wasteful number, since it uses less digits than its factorization.

255239133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808.

The product of its digits is 24300, while the sum is 33.

The square root of 255239133 is about 15976.2052127531. The cubic root of 255239133 is about 634.3307334752.

The spelling of 255239133 in words is "two hundred fifty-five million, two hundred thirty-nine thousand, one hundred thirty-three".