249139096 has 48 divisors (see below), whose sum is σ = 496382040. Its totient is φ = 117210240.

The previous prime is 249139091. The next prime is 249139109. The reversal of 249139096 is 690931942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249139091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 811375 + ... + 811681.

Almost surely, 2^249139096 is an apocalyptic number.

It is an amenable number.

249139096 is a deficient number, since it is larger than the sum of its proper divisors (247242944).

249139096 is a wasteful number, since it uses less digits than its factorization.

249139096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 249139096 is about 15784.1406481316. The cubic root of 249139096 is about 629.2365792658.

The spelling of 249139096 in words is "two hundred forty-nine million, one hundred thirty-nine thousand, ninety-six".