140481764 has 6 divisors (see below), whose sum is σ = 245843094. Its totient is φ = 70240880.

The previous prime is 140481751. The next prime is 140481779. The reversal of 140481764 is 467184041.

140481764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127464100 + 13017664 = 11290^2 + 3608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17560217 + ... + 17560224.

It is an arithmetic number, because the mean of its divisors is an integer number (40973849).

Almost surely, 2^140481764 is an apocalyptic number.

It is an amenable number.

140481764 is a deficient number, since it is larger than the sum of its proper divisors (105361330).

140481764 is a wasteful number, since it uses less digits than its factorization.

140481764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35120445 (or 35120443 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 140481764 is about 11852.5003269352. The cubic root of 140481764 is about 519.8443370358.

The spelling of 140481764 in words is "one hundred forty million, four hundred eighty-one thousand, seven hundred sixty-four".