240116539 has 4 divisors (see below), whose sum is σ = 258587056. Its totient is φ = 221646024.

The previous prime is 240116477. The next prime is 240116563. The reversal of 240116539 is 935611042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240116539 - 2⁷ = 240116411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240116539.

It is not an unprimeable number, because it can be changed into a prime (240116579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9235239 + ... + 9235264.

It is an arithmetic number, because the mean of its divisors is an integer number (64646764).

Almost surely, 2^240116539 is an apocalyptic number.

240116539 is a deficient number, since it is larger than the sum of its proper divisors (18470517).

240116539 is a wasteful number, since it uses less digits than its factorization.

240116539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470516.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 240116539 is about 15495.6942083922. The cubic root of 240116539 is about 621.5470720722.

The spelling of 240116539 in words is "two hundred forty million, one hundred sixteen thousand, five hundred thirty-nine".