260360157138 has 32 divisors (see below), whose sum is σ = 526334257152. Its totient is φ = 85852560000.

The previous prime is 260360157133. The next prime is 260360157143. The reversal of 260360157138 is 831751063062.

It is an interprime number because it is at equal distance from previous prime (260360157133) and next prime (260360157143).

It is a super-2 number, since 2×260360157138² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260360157138.

It is not an unprimeable number, because it can be changed into a prime (260360157133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510870 + ... + 884142.

It is an arithmetic number, because the mean of its divisors is an integer number (16447945536).

Almost surely, 2^260360157138 is an apocalyptic number.

260360157138 is an abundant number, since it is smaller than the sum of its proper divisors (265974100014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260360157138 is a wasteful number, since it uses less digits than its factorization.

260360157138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374530.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 260360157138 in words is "two hundred sixty billion, three hundred sixty million, one hundred fifty-seven thousand, one hundred thirty-eight".