140308064 has 24 divisors (see below), whose sum is σ = 297480960. Its totient is φ = 64757376.

The previous prime is 140308043. The next prime is 140308067. The reversal of 140308064 is 460803041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140308067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 168224 + ... + 169055.

It is an arithmetic number, because the mean of its divisors is an integer number (12395040).

Almost surely, 2^140308064 is an apocalyptic number.

It is an amenable number.

140308064 is an abundant number, since it is smaller than the sum of its proper divisors (157172896).

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

140308064 is a wasteful number, since it uses less digits than its factorization.

140308064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337302 (or 337294 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140308064 is about 11845.1704926523. The cubic root of 140308064 is about 519.6299931938.

The spelling of 140308064 in words is "one hundred forty million, three hundred eight thousand, sixty-four".