140204560 has 80 divisors (see below), whose sum is σ = 339978240. Its totient is φ = 53706240.

The previous prime is 140204509. The next prime is 140204569. The reversal of 140204560 is 65402041.

140204560 = T₁₆ + T₁₇ + ... + T₉₄₃.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (140204569) 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, 517225 + ... + 517495.

It is an arithmetic number, because the mean of its divisors is an integer number (4249728).

Almost surely, 2^140204560 is an apocalyptic number.

140204560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140204560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169989120).

140204560 is an abundant number, since it is smaller than the sum of its proper divisors (199773680).

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

140204560 is a wasteful number, since it uses less digits than its factorization.

140204560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140204560 is about 11840.8006486048. The cubic root of 140204560 is about 519.5021863000.

The spelling of 140204560 in words is "one hundred forty million, two hundred four thousand, five hundred sixty".