260132139 has 24 divisors (see below), whose sum is σ = 393513120. Its totient is φ = 165276672.

The previous prime is 260132107. The next prime is 260132149. The reversal of 260132139 is 931231062.

260132139 is a `hidden beast` number, since 2 + 601 + 3 + 21 + 39 = 666.

260132139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260132139 - 2⁵ = 260132107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260132149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58507 + ... + 62795.

It is an arithmetic number, because the mean of its divisors is an integer number (16396380).

Almost surely, 2^260132139 is an apocalyptic number.

260132139 is a deficient number, since it is larger than the sum of its proper divisors (133380981).

260132139 is a wasteful number, since it uses less digits than its factorization.

260132139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 260132139 is about 16128.6124325684. The cubic root of 260132139 is about 638.3585369245.

The spelling of 260132139 in words is "two hundred sixty million, one hundred thirty-two thousand, one hundred thirty-nine".