3261306136 has 32 divisors (see below), whose sum is σ = 6675540480. Its totient is φ = 1481370400.

The previous prime is 3261306131. The next prime is 3261306149. The reversal of 3261306136 is 6316031623.

It is a super-2 number, since 2×3261306136² = 21272235425422500992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3261306098 and 3261306107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261306131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120705 + ... + 145231.

It is an arithmetic number, because the mean of its divisors is an integer number (208610640).

Almost surely, 2^3261306136 is an apocalyptic number.

It is an amenable number.

3261306136 is an abundant number, since it is smaller than the sum of its proper divisors (3414234344).

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

3261306136 is a wasteful number, since it uses less digits than its factorization.

3261306136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26055 (or 26051 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3261306136 is about 57107.8465361810. The cubic root of 3261306136 is about 1482.9637069283.

Adding to 3261306136 its reverse (6316031623), we get a palindrome (9577337759).

The spelling of 3261306136 in words is "three billion, two hundred sixty-one million, three hundred six thousand, one hundred thirty-six".