249342130 has 32 divisors (see below), whose sum is σ = 473558400. Its totient is φ = 94263552.

The previous prime is 249342109. The next prime is 249342139. The reversal of 249342130 is 31243942.

249342130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249342139) 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, 94266 + ... + 96874.

It is an arithmetic number, because the mean of its divisors is an integer number (14798700).

Almost surely, 2^249342130 is an apocalyptic number.

249342130 is a deficient number, since it is larger than the sum of its proper divisors (224216270).

249342130 is a wasteful number, since it uses less digits than its factorization.

249342130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 249342130 is about 15790.5709206475. The cubic root of 249342130 is about 629.4074633658.

The spelling of 249342130 in words is "two hundred forty-nine million, three hundred forty-two thousand, one hundred thirty".