140769860 has 192 divisors, whose sum is σ = 412231680. Its totient is φ = 38983680.

The previous prime is 140769859. The next prime is 140769869. The reversal of 140769860 is 68967041.

It is not an unprimeable number, because it can be changed into a prime (140769869) 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 63 ways as a sum of consecutive naturals, for example, 497279 + ... + 497561.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^140769860 is an apocalyptic number.

140769860 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 140769860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206115840).

140769860 is an abundant number, since it is smaller than the sum of its proper divisors (271461820).

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

140769860 is a wasteful number, since it uses less digits than its factorization.

140769860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 140769860 is about 11864.6474873887. The cubic root of 140769860 is about 520.1994550440.

The spelling of 140769860 in words is "one hundred forty million, seven hundred sixty-nine thousand, eight hundred sixty".