303919134 has 16 divisors (see below), whose sum is σ = 611353872. Its totient is φ = 100720448.

The previous prime is 303919123. The next prime is 303919151. The reversal of 303919134 is 431919303.

It is a super-2 number, since 2×303919134² = 184733680022619912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303919095 and 303919104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145359 + ... + 147434.

It is an arithmetic number, because the mean of its divisors is an integer number (38209617).

Almost surely, 2^303919134 is an apocalyptic number.

303919134 is an abundant number, since it is smaller than the sum of its proper divisors (307434738).

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

303919134 is a wasteful number, since it uses less digits than its factorization.

303919134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292971.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 303919134 is about 17433.2766283335. The cubic root of 303919134 is about 672.3354555674.

The spelling of 303919134 in words is "three hundred three million, nine hundred nineteen thousand, one hundred thirty-four".