249138327 has 8 divisors (see below), whose sum is σ = 332936064. Its totient is φ = 165716408.

The previous prime is 249138311. The next prime is 249138341. The reversal of 249138327 is 723831942.

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

It is a cyclic number.

It is not a de Polignac number, because 249138327 - 2⁴ = 249138311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249130327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92403 + ... + 95060.

It is an arithmetic number, because the mean of its divisors is an integer number (41617008).

Almost surely, 2^249138327 is an apocalyptic number.

249138327 is a deficient number, since it is larger than the sum of its proper divisors (83797737).

249138327 is a wasteful number, since it uses less digits than its factorization.

249138327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187909.

The product of its digits is 72576, while the sum is 39.

The square root of 249138327 is about 15784.1162882184. The cubic root of 249138327 is about 629.2359318584.

The spelling of 249138327 in words is "two hundred forty-nine million, one hundred thirty-eight thousand, three hundred twenty-seven".