136440860 has 12 divisors (see below), whose sum is σ = 286525848. Its totient is φ = 54576336.

The previous prime is 136440841. The next prime is 136440893. The reversal of 136440860 is 68044631.

It is a super-2 number, since 2×136440860² = 37232216555079200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411002 + ... + 3411041.

It is an arithmetic number, because the mean of its divisors is an integer number (23877154).

Almost surely, 2^136440860 is an apocalyptic number.

136440860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136440860 is an abundant number, since it is smaller than the sum of its proper divisors (150084988).

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

136440860 is a wasteful number, since it uses less digits than its factorization.

136440860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822052 (or 6822050 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 136440860 is about 11680.7902129950. The cubic root of 136440860 is about 514.8113929016.

It can be divided in two parts, 1364 and 40860, that added together give a palindrome (42224).

The spelling of 136440860 in words is "one hundred thirty-six million, four hundred forty thousand, eight hundred sixty".