103136940 has 144 divisors (see below), whose sum is σ = 336117600. Its totient is φ = 25519104.

The previous prime is 103136939. The next prime is 103136947. The reversal of 103136940 is 49631301.

It is not an unprimeable number, because it can be changed into a prime (103136947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180976 + ... + 181544.

It is an arithmetic number, because the mean of its divisors is an integer number (2334150).

Almost surely, 2^103136940 is an apocalyptic number.

103136940 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 103136940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168058800).

103136940 is an abundant number, since it is smaller than the sum of its proper divisors (232980660).

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

103136940 is a wasteful number, since it uses less digits than its factorization.

103136940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 103136940 is about 10155.6358737403. The cubic root of 103136940 is about 468.9624615536.

The spelling of 103136940 in words is "one hundred three million, one hundred thirty-six thousand, nine hundred forty".