103156938 has 24 divisors (see below), whose sum is σ = 223842528. Its totient is φ = 34333992.

The previous prime is 103156931. The next prime is 103156951. The reversal of 103156938 is 839651301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (103156931) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9145 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (9326772).

Almost surely, 2^103156938 is an apocalyptic number.

103156938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103156938 is an abundant number, since it is smaller than the sum of its proper divisors (120685590).

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

103156938 is a wasteful number, since it uses less digits than its factorization.

103156938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618 (or 8615 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 103156938 is about 10156.6204024764. The cubic root of 103156938 is about 468.9927698190.

The spelling of 103156938 in words is "one hundred three million, one hundred fifty-six thousand, nine hundred thirty-eight".