104136540 has 96 divisors (see below), whose sum is σ = 301357056. Its totient is φ = 26853120.

The previous prime is 104136499. The next prime is 104136541. The reversal of 104136540 is 45631401.

It is a self number, because there is not a number n which added to its sum of digits gives 104136540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104136541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466869 + ... + 467091.

It is an arithmetic number, because the mean of its divisors is an integer number (3139136).

Almost surely, 2^104136540 is an apocalyptic number.

104136540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104136540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150678528).

104136540 is an abundant number, since it is smaller than the sum of its proper divisors (197220516).

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

104136540 is a wasteful number, since it uses less digits than its factorization.

104136540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 104136540 is about 10204.7312556480. The cubic root of 104136540 is about 470.4726496208.

Adding to 104136540 its reverse (45631401), we get a palindrome (149767941).

The spelling of 104136540 in words is "one hundred four million, one hundred thirty-six thousand, five hundred forty".