305133126 has 16 divisors (see below), whose sum is σ = 612589824. Its totient is φ = 101323784.

The previous prime is 305133107. The next prime is 305133131. The reversal of 305133126 is 621331503.

It is a happy number.

305133126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 305133096 and 305133105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95106 + ... + 98261.

It is an arithmetic number, because the mean of its divisors is an integer number (38286864).

Almost surely, 2^305133126 is an apocalyptic number.

305133126 is an abundant number, since it is smaller than the sum of its proper divisors (307456698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305133126 is a wasteful number, since it uses less digits than its factorization.

305133126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193635.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 305133126 is about 17468.0601670592. The cubic root of 305133126 is about 673.2294713397.

Adding to 305133126 its reverse (621331503), we get a palindrome (926464629).

The spelling of 305133126 in words is "three hundred five million, one hundred thirty-three thousand, one hundred twenty-six".