260434136 has 32 divisors (see below), whose sum is σ = 498036000. Its totient is φ = 127650816.

The previous prime is 260434133. The next prime is 260434147. The reversal of 260434136 is 631434062.

It is a junction number, because it is equal to n+sod(n) for n = 260434099 and 260434108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260434133) 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, 83045 + ... + 86123.

It is an arithmetic number, because the mean of its divisors is an integer number (15563625).

Almost surely, 2^260434136 is an apocalyptic number.

It is an amenable number.

260434136 is a deficient number, since it is larger than the sum of its proper divisors (237601864).

260434136 is a wasteful number, since it uses less digits than its factorization.

260434136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3287 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 260434136 is about 16137.9718676171. The cubic root of 260434136 is about 638.6054727179.

Adding to 260434136 its reverse (631434062), we get a palindrome (891868198).

The spelling of 260434136 in words is "two hundred sixty million, four hundred thirty-four thousand, one hundred thirty-six".