249130135 has 32 divisors (see below), whose sum is σ = 319904640. Its totient is φ = 185856000.

The previous prime is 249130111. The next prime is 249130151. The reversal of 249130135 is 531031942.

It is not a de Polignac number, because 249130135 - 2¹⁷ = 248999063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033615 + ... + 1033855.

It is an arithmetic number, because the mean of its divisors is an integer number (9997020).

Almost surely, 2^249130135 is an apocalyptic number.

249130135 is a deficient number, since it is larger than the sum of its proper divisors (70774505).

249130135 is a wasteful number, since it uses less digits than its factorization.

249130135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 249130135 is about 15783.8567847025. The cubic root of 249130135 is about 629.2290350777.

The spelling of 249130135 in words is "two hundred forty-nine million, one hundred thirty thousand, one hundred thirty-five".