140686700 has 144 divisors (see below), whose sum is σ = 386308608. Its totient is φ = 43560000.

The previous prime is 140686681. The next prime is 140686709. The reversal of 140686700 is 7686041.

It is not an unprimeable number, because it can be changed into a prime (140686709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 931625 + ... + 931775.

Almost surely, 2^140686700 is an apocalyptic number.

140686700 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 140686700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193154304).

140686700 is an abundant number, since it is smaller than the sum of its proper divisors (245621908).

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

140686700 is a wasteful number, since it uses less digits than its factorization.

140686700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 140686700 is about 11861.1424407601. The cubic root of 140686700 is about 520.0969986704.

The spelling of 140686700 in words is "one hundred forty million, six hundred eighty-six thousand, seven hundred".