140100100 has 72 divisors (see below), whose sum is σ = 349227648. Its totient is φ = 47788800.

The previous prime is 140100097. The next prime is 140100133. The reversal of 140100100 is 1001041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183720 + ... + 184480.

It is an arithmetic number, because the mean of its divisors is an integer number (4850384).

Almost surely, 2^140100100 is an apocalyptic number.

140100100 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 140100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174613824).

140100100 is an abundant number, since it is smaller than the sum of its proper divisors (209127548).

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

140100100 is a wasteful number, since it uses less digits than its factorization.

140100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 140100100 is about 11836.3888074024. The cubic root of 140100100 is about 519.3731351448.

Adding to 140100100 its reverse (1001041), we get a palindrome (141101141).

The spelling of 140100100 in words is "one hundred forty million, one hundred thousand, one hundred".