140318520870280 has 16 divisors (see below), whose sum is σ = 315716671958220. Its totient is φ = 56127408348096.

The previous prime is 140318520870193. The next prime is 140318520870287. The reversal of 140318520870280 is 82078025813041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140249495919204 + 69024951076 = 11842698^2 + 262726^2 .

It is not an unprimeable number, because it can be changed into a prime (140318520870287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753981510839 + ... + 1753981510918.

Almost surely, 2^{140318520870280} is an apocalyptic number.

140318520870280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140318520870280 is an abundant number, since it is smaller than the sum of its proper divisors (175398151087940).

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

140318520870280 is a wasteful number, since it uses less digits than its factorization.

140318520870280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507963021768 (or 3507963021764 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 140318520870280 in words is "one hundred forty trillion, three hundred eighteen billion, five hundred twenty million, eight hundred seventy thousand, two hundred eighty".