249491134 has 8 divisors (see below), whose sum is σ = 382199328. Its totient is φ = 122091360.

The previous prime is 249491129. The next prime is 249491171. The reversal of 249491134 is 431194942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 249491093 and 249491102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326987 + ... + 1327174.

It is an arithmetic number, because the mean of its divisors is an integer number (47774916).

Almost surely, 2^249491134 is an apocalyptic number.

249491134 is a deficient number, since it is larger than the sum of its proper divisors (132708194).

249491134 is a wasteful number, since it uses less digits than its factorization.

249491134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654210.

The product of its digits is 31104, while the sum is 37.

The square root of 249491134 is about 15795.2883481119. The cubic root of 249491134 is about 629.5328139626.

The spelling of 249491134 in words is "two hundred forty-nine million, four hundred ninety-one thousand, one hundred thirty-four".