140202100 has 36 divisors (see below), whose sum is σ = 307105344. Its totient is φ = 55552480.

The previous prime is 140202091. The next prime is 140202109. The reversal of 140202100 is 1202041.

It is an interprime number because it is at equal distance from previous prime (140202091) and next prime (140202109).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140202109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4149 + ... + 17251.

It is an arithmetic number, because the mean of its divisors is an integer number (8530704).

Almost surely, 2^140202100 is an apocalyptic number.

140202100 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 140202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153552672).

140202100 is an abundant number, since it is smaller than the sum of its proper divisors (166903244).

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

140202100 is a wasteful number, since it uses less digits than its factorization.

140202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13224 (or 13217 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 140202100 is about 11840.6967700385. The cubic root of 140202100 is about 519.4991479232.

Adding to 140202100 its reverse (1202041), we get a palindrome (141404141).

The spelling of 140202100 in words is "one hundred forty million, two hundred two thousand, one hundred".