249694141 has 8 divisors (see below), whose sum is σ = 266906304. Its totient is φ = 233011680.

The previous prime is 249694121. The next prime is 249694189. The reversal of 249694141 is 141496942.

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 249694141 - 2¹⁹ = 249169853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249694094 and 249694103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249694121) 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, 131451 + ... + 133336.

It is an arithmetic number, because the mean of its divisors is an integer number (33363288).

Almost surely, 2^249694141 is an apocalyptic number.

It is an amenable number.

249694141 is a deficient number, since it is larger than the sum of its proper divisors (17212163).

249694141 is a wasteful number, since it uses less digits than its factorization.

249694141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264851.

The product of its digits is 62208, while the sum is 40.

The square root of 249694141 is about 15801.7132299001. The cubic root of 249694141 is about 629.7035146454.

The spelling of 249694141 in words is "two hundred forty-nine million, six hundred ninety-four thousand, one hundred forty-one".