140509278736 has 10 divisors (see below), whose sum is σ = 272236727582. Its totient is φ = 70254639360.

The previous prime is 140509278733. The next prime is 140509278737. The reversal of 140509278736 is 637872905041.

It can be written as a sum of positive squares in only one way, i.e., 140508024336 + 1254400 = 374844^2 + 1120^2 .

It is a super-4 number, since 4×140509278736⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (140509278731) 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 as a sum of consecutive naturals, namely, 4390914945 + ... + 4390914976.

It is a 1-persistent number, because it is pandigital, but 2⋅140509278736 = 281018557472 is not.

Almost surely, 2^140509278736 is an apocalyptic number.

140509278736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140509278736 is a deficient number, since it is larger than the sum of its proper divisors (131727448846).

140509278736 is an equidigital number, since it uses as much as digits as its factorization.

140509278736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781829929 (or 8781829923 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 140509278736 in words is "one hundred forty billion, five hundred nine million, two hundred seventy-eight thousand, seven hundred thirty-six".