140062780 has 48 divisors (see below), whose sum is σ = 345560544. Its totient is φ = 47013120.

The previous prime is 140062759. The next prime is 140062781. The reversal of 140062780 is 87260041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140062781) 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 15 ways as a sum of consecutive naturals, for example, 21627 + ... + 27346.

It is an arithmetic number, because the mean of its divisors is an integer number (7199178).

Almost surely, 2^140062780 is an apocalyptic number.

140062780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140062780 is an abundant number, since it is smaller than the sum of its proper divisors (205497764).

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

140062780 is a wasteful number, since it uses less digits than its factorization.

140062780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49006 (or 49004 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140062780 is about 11834.8122080581. The cubic root of 140062780 is about 519.3270140101.

The spelling of 140062780 in words is "one hundred forty million, sixty-two thousand, seven hundred eighty".