249133116 has 12 divisors (see below), whose sum is σ = 581310632. Its totient is φ = 83044368.

The previous prime is 249133109. The next prime is 249133117. The reversal of 249133116 is 611331942.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249133117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380535 + ... + 10380558.

Almost surely, 2^249133116 is an apocalyptic number.

It is an amenable number.

249133116 is an abundant number, since it is smaller than the sum of its proper divisors (332177516).

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

249133116 is a wasteful number, since it uses less digits than its factorization.

249133116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761100 (or 20761098 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 249133116 is about 15783.9512163463. The cubic root of 249133116 is about 629.2315447758.

The spelling of 249133116 in words is "two hundred forty-nine million, one hundred thirty-three thousand, one hundred sixteen".