1540086230847 has 4 divisors (see below), whose sum is σ = 2053448307800. Its totient is φ = 1026724153896.

The previous prime is 1540086230843. The next prime is 1540086230869. The reversal of 1540086230847 is 7480326800451.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1540086230847 - 2² = 1540086230843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1540086230796 and 1540086230805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540086230843) 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, 256681038472 + ... + 256681038477.

It is an arithmetic number, because the mean of its divisors is an integer number (513362076950).

Almost surely, 2^{1540086230847} is an apocalyptic number.

1540086230847 is a deficient number, since it is larger than the sum of its proper divisors (513362076953).

1540086230847 is an equidigital number, since it uses as much as digits as its factorization.

1540086230847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513362076952.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1540086230847 in words is "one trillion, five hundred forty billion, eighty-six million, two hundred thirty thousand, eight hundred forty-seven".