140669802 has 96 divisors (see below), whose sum is σ = 378198912. Its totient is φ = 36796032.

The previous prime is 140669801. The next prime is 140669821. The reversal of 140669802 is 208966041.

It is not an unprimeable number, because it can be changed into a prime (140669801) 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, 256893 + ... + 257439.

It is an arithmetic number, because the mean of its divisors is an integer number (3939572).

Almost surely, 2^140669802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140669802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189099456).

140669802 is an abundant number, since it is smaller than the sum of its proper divisors (237529110).

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

140669802 is a wasteful number, since it uses less digits than its factorization.

140669802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 140669802 is about 11860.4300933819. The cubic root of 140669802 is about 520.0761747381.

The spelling of 140669802 in words is "one hundred forty million, six hundred sixty-nine thousand, eight hundred two".