239960513 has 8 divisors (see below), whose sum is σ = 259190568. Its totient is φ = 220840704.

The previous prime is 239960507. The next prime is 239960537. The reversal of 239960513 is 315069932.

It can be written as a sum of positive squares in 4 ways, for example, as 32398864 + 207561649 = 5692^2 + 14407^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239960513 is a prime.

It is a super-3 number, since 3×239960513³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (239960573) 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, 23006 + ... + 31767.

It is an arithmetic number, because the mean of its divisors is an integer number (32398821).

Almost surely, 2^239960513 is an apocalyptic number.

It is an amenable number.

239960513 is a deficient number, since it is larger than the sum of its proper divisors (19230055).

239960513 is a wasteful number, since it uses less digits than its factorization.

239960513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55123.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 239960513 is about 15490.6588949599. The cubic root of 239960513 is about 621.4124172964.

The spelling of 239960513 in words is "two hundred thirty-nine million, nine hundred sixty thousand, five hundred thirteen".