140130064 has 10 divisors (see below), whose sum is σ = 271502030. Its totient is φ = 70065024.

The previous prime is 140130049. The next prime is 140130091. The reversal of 140130064 is 460031041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74649600 + 65480464 = 8640^2 + 8092^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4379049 + ... + 4379080.

It is an arithmetic number, because the mean of its divisors is an integer number (27150203).

Almost surely, 2^140130064 is an apocalyptic number.

It is an amenable number.

140130064 is a deficient number, since it is larger than the sum of its proper divisors (131371966).

140130064 is an equidigital number, since it uses as much as digits as its factorization.

140130064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758137 (or 8758131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140130064 is about 11837.6544974078. The cubic root of 140130064 is about 519.4101595944.

The spelling of 140130064 in words is "one hundred forty million, one hundred thirty thousand, sixty-four".