140556064 has 48 divisors (see below), whose sum is σ = 302914080. Its totient is φ = 63669760.

The previous prime is 140556061. The next prime is 140556071. The reversal of 140556064 is 460655041.

It is not an unprimeable number, because it can be changed into a prime (140556061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147012 + ... + 147964.

It is an arithmetic number, because the mean of its divisors is an integer number (6310710).

Almost surely, 2^140556064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140556064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151457040).

140556064 is an abundant number, since it is smaller than the sum of its proper divisors (162358016).

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

140556064 is a wasteful number, since it uses less digits than its factorization.

140556064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 140556064 is about 11855.6342723618. The cubic root of 140556064 is about 519.9359684470.

The spelling of 140556064 in words is "one hundred forty million, five hundred fifty-six thousand, sixty-four".