103506156 has 72 divisors (see below), whose sum is σ = 286058864. Its totient is φ = 31363200.

The previous prime is 103506127. The next prime is 103506157. The reversal of 103506156 is 651605301.

It is a happy number.

103506156 is a `hidden beast` number, since 1 + 0 + 3 + 506 + 156 = 666.

It is not an unprimeable number, because it can be changed into a prime (103506157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29706 + ... + 33006.

Almost surely, 2^103506156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103506156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143029432).

103506156 is an abundant number, since it is smaller than the sum of its proper divisors (182552708).

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

103506156 is a wasteful number, since it uses less digits than its factorization.

103506156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 103506156 is about 10173.7975210833. The cubic root of 103506156 is about 469.5214020532.

The spelling of 103506156 in words is "one hundred three million, five hundred six thousand, one hundred fifty-six".