140561700 has 72 divisors (see below), whose sum is σ = 410807040. Its totient is φ = 37104000.

The previous prime is 140561669. The next prime is 140561747. The reversal of 140561700 is 7165041.

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, 27981 + ... + 32619.

Almost surely, 2^140561700 is an apocalyptic number.

140561700 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 140561700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205403520).

140561700 is an abundant number, since it is smaller than the sum of its proper divisors (270245340).

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

140561700 is a wasteful number, since it uses less digits than its factorization.

140561700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 140561700 is about 11855.8719628714. The cubic root of 140561700 is about 519.9429177972.

The spelling of 140561700 in words is "one hundred forty million, five hundred sixty-one thousand, seven hundred".