103739640 has 128 divisors (see below), whose sum is σ = 326246400. Its totient is φ = 26357760.

The previous prime is 103739621. The next prime is 103739689. The reversal of 103739640 is 46937301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293704 + ... + 294056.

It is an arithmetic number, because the mean of its divisors is an integer number (2548800).

Almost surely, 2^103739640 is an apocalyptic number.

103739640 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 103739640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163123200).

103739640 is an abundant number, since it is smaller than the sum of its proper divisors (222506760).

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

103739640 is a wasteful number, since it uses less digits than its factorization.

103739640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 103739640 is about 10185.2658286370. The cubic root of 103739640 is about 469.8741778784.

The spelling of 103739640 in words is "one hundred three million, seven hundred thirty-nine thousand, six hundred forty".