140869026 has 24 divisors (see below), whose sum is σ = 308366604. Its totient is φ = 46471680.

The previous prime is 140868977. The next prime is 140869051. The reversal of 140869026 is 620968041.

140869026 is digitally balanced in base 2 and base 3, because in such bases 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 124344801 + 16524225 = 11151^2 + 4065^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38595 + ... + 42086.

Almost surely, 2^140869026 is an apocalyptic number.

140869026 is an abundant number, since it is smaller than the sum of its proper divisors (167497578).

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

140869026 is a wasteful number, since it uses less digits than its factorization.

140869026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80786 (or 80783 counting only the distinct ones).

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

The square root of 140869026 is about 11868.8258054451. The cubic root of 140869026 is about 520.3215787015.

The spelling of 140869026 in words is "one hundred forty million, eight hundred sixty-nine thousand, twenty-six".