140708440 has 32 divisors (see below), whose sum is σ = 317137680. Its totient is φ = 56186752.

The previous prime is 140708429. The next prime is 140708461. The reversal of 140708440 is 44807041.

It is a junction number, because it is equal to n+sod(n) for n = 140708399 and 140708408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23427 + ... + 28813.

Almost surely, 2^140708440 is an apocalyptic number.

140708440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140708440 is an abundant number, since it is smaller than the sum of its proper divisors (176429240).

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

140708440 is a wasteful number, since it uses less digits than its factorization.

140708440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 140708440 is about 11862.0588432194. The cubic root of 140708440 is about 520.1237870979.

The spelling of 140708440 in words is "one hundred forty million, seven hundred eight thousand, four hundred forty".