140808740 has 48 divisors (see below), whose sum is σ = 302522304. Its totient is φ = 55036800.

The previous prime is 140808713. The next prime is 140808761. The reversal of 140808740 is 47808041.

It is a junction number, because it is equal to n+sod(n) for n = 140808697 and 140808706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257147 + ... + 257693.

It is an arithmetic number, because the mean of its divisors is an integer number (6302548).

Almost surely, 2^140808740 is an apocalyptic number.

140808740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140808740 is an abundant number, since it is smaller than the sum of its proper divisors (161713564).

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

140808740 is a wasteful number, since it uses less digits than its factorization.

140808740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 140808740 is about 11866.2858553129. The cubic root of 140808740 is about 520.2473428826.

The spelling of 140808740 in words is "one hundred forty million, eight hundred eight thousand, seven hundred forty".