140344080 has 40 divisors (see below), whose sum is σ = 435067392. Its totient is φ = 37425024.

The previous prime is 140344073. The next prime is 140344109. The reversal of 140344080 is 80443041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140344080.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292144 + ... + 292623.

Almost surely, 2^140344080 is an apocalyptic number.

140344080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140344080 is an abundant number, since it is smaller than the sum of its proper divisors (294723312).

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

140344080 is a wasteful number, since it uses less digits than its factorization.

140344080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584783 (or 584777 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 140344080 is about 11846.6906771469. The cubic root of 140344080 is about 519.6744510631.

The spelling of 140344080 in words is "one hundred forty million, three hundred forty-four thousand, eighty".