100356940 has 24 divisors (see below), whose sum is σ = 210938112. Its totient is φ = 40106880.

The previous prime is 100356923. The next prime is 100356941. The reversal of 100356940 is 49653001.

It is a junction number, because it is equal to n+sod(n) for n = 100356899 and 100356908.

It is not an unprimeable number, because it can be changed into a prime (100356941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41032 + ... + 43408.

It is an arithmetic number, because the mean of its divisors is an integer number (8789088).

Almost surely, 2^100356940 is an apocalyptic number.

100356940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100356940 is an abundant number, since it is smaller than the sum of its proper divisors (110581172).

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

100356940 is a wasteful number, since it uses less digits than its factorization.

100356940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 100356940 is about 10017.8311025890. The cubic root of 100356940 is about 464.7104838261.

The spelling of 100356940 in words is "one hundred million, three hundred fifty-six thousand, nine hundred forty".