140733684 has 324 divisors, whose sum is σ = 498014244. Its totient is φ = 33094656.

The previous prime is 140733683. The next prime is 140733713. The reversal of 140733684 is 486337041.

140733684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 77053284 = 7980^2 + 8778^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140733683) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 7407027 + ... + 7407045.

It is an arithmetic number, because the mean of its divisors is an integer number (1537081).

Almost surely, 2^140733684 is an apocalyptic number.

140733684 is a gapful number since it is divisible by the number (14) 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 140733684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249007122).

140733684 is an abundant number, since it is smaller than the sum of its proper divisors (357280560).

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

140733684 is a wasteful number, since it uses less digits than its factorization.

140733684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 140733684 is about 11863.1228603602. The cubic root of 140733684 is about 520.1548897566.

The spelling of 140733684 in words is "one hundred forty million, seven hundred thirty-three thousand, six hundred eighty-four".