260401339 has 4 divisors (see below), whose sum is σ = 284074200. Its totient is φ = 236728480.

The previous prime is 260401313. The next prime is 260401343. The reversal of 260401339 is 933104062.

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 260401339 - 2⁵ = 260401307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260401369) 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, 11836414 + ... + 11836435.

It is an arithmetic number, because the mean of its divisors is an integer number (71018550).

Almost surely, 2^260401339 is an apocalyptic number.

260401339 is a deficient number, since it is larger than the sum of its proper divisors (23672861).

260401339 is a wasteful number, since it uses less digits than its factorization.

260401339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23672860.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 260401339 is about 16136.9556918274. The cubic root of 260401339 is about 638.5786646309.

The spelling of 260401339 in words is "two hundred sixty million, four hundred one thousand, three hundred thirty-nine".