140255494515 has 24 divisors (see below), whose sum is σ = 252113582448. Its totient is φ = 74802929760.

The previous prime is 140255494513. The next prime is 140255494529. The reversal of 140255494515 is 515494552041.

140255494515 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 554 + 94 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 140255494515 - 2¹ = 140255494513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (140255494513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57717096 + ... + 57719525.

It is an arithmetic number, because the mean of its divisors is an integer number (10504732602).

Almost surely, 2^140255494515 is an apocalyptic number.

140255494515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140255494515 is a deficient number, since it is larger than the sum of its proper divisors (111858087933).

140255494515 is an equidigital number, since it uses as much as digits as its factorization.

140255494515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115436641 (or 115436629 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 140255494515 in words is "one hundred forty billion, two hundred fifty-five million, four hundred ninety-four thousand, five hundred fifteen".