240749313 has 8 divisors (see below), whose sum is σ = 366856128. Its totient is φ = 137571024.

The previous prime is 240749309. The next prime is 240749321. The reversal of 240749313 is 313947042.

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

It is not a de Polignac number, because 240749313 - 2² = 240749309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240747313) 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, 5732106 + ... + 5732147.

It is an arithmetic number, because the mean of its divisors is an integer number (45857016).

Almost surely, 2^240749313 is an apocalyptic number.

It is an amenable number.

240749313 is a deficient number, since it is larger than the sum of its proper divisors (126106815).

240749313 is a wasteful number, since it uses less digits than its factorization.

240749313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464263.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 240749313 is about 15516.0985109015. The cubic root of 240749313 is about 622.0925764199.

The spelling of 240749313 in words is "two hundred forty million, seven hundred forty-nine thousand, three hundred thirteen".