140812100 has 144 divisors (see below), whose sum is σ = 368934720. Its totient is φ = 45964800.

The previous prime is 140812093. The next prime is 140812103. The reversal of 140812100 is 1218041.

It is not an unprimeable number, because it can be changed into a prime (140812103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 614786 + ... + 615014.

Almost surely, 2^140812100 is an apocalyptic number.

140812100 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 140812100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184467360).

140812100 is an abundant number, since it is smaller than the sum of its proper divisors (228122620).

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

140812100 is a wasteful number, since it uses less digits than its factorization.

140812100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 140812100 is about 11866.4274320454. The cubic root of 140812100 is about 520.2514809240.

The spelling of 140812100 in words is "one hundred forty million, eight hundred twelve thousand, one hundred".