140076640 has 48 divisors (see below), whose sum is σ = 361020240. Its totient is φ = 50936320.

The previous prime is 140076637. The next prime is 140076649. The reversal of 140076640 is 46670041.

It is a junction number, because it is equal to n+sod(n) for n = 140076599 and 140076608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140076649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38035 + ... + 41554.

It is an arithmetic number, because the mean of its divisors is an integer number (7521255).

Almost surely, 2^140076640 is an apocalyptic number.

140076640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140076640 is an abundant number, since it is smaller than the sum of its proper divisors (220943600).

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

140076640 is a wasteful number, since it uses less digits than its factorization.

140076640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79615 (or 79607 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140076640 is about 11835.3977541948. The cubic root of 140076640 is about 519.3441435549.

The spelling of 140076640 in words is "one hundred forty million, seventy-six thousand, six hundred forty".