140669916 has 24 divisors (see below), whose sum is σ = 329884800. Its totient is φ = 46653552.

The previous prime is 140669911. The next prime is 140669927. The reversal of 140669916 is 619966041.

140669916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140669911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27066 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (13745200).

Almost surely, 2^140669916 is an apocalyptic number.

It is an amenable number.

140669916 is an abundant number, since it is smaller than the sum of its proper divisors (189214884).

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

140669916 is a wasteful number, since it uses less digits than its factorization.

140669916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59113 (or 59111 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 140669916 is about 11860.4348992775. The cubic root of 140669916 is about 520.0763152294.

The spelling of 140669916 in words is "one hundred forty million, six hundred sixty-nine thousand, nine hundred sixteen".