1540811086 has 16 divisors (see below), whose sum is σ = 2330766000. Its totient is φ = 763907328.

The previous prime is 1540811053. The next prime is 1540811089. The reversal of 1540811086 is 6801180451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540811089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180286 + ... + 188638.

It is an arithmetic number, because the mean of its divisors is an integer number (145672875).

Almost surely, 2^1540811086 is an apocalyptic number.

1540811086 is a deficient number, since it is larger than the sum of its proper divisors (789954914).

1540811086 is a wasteful number, since it uses less digits than its factorization.

1540811086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1540811086 is about 39253.1665729021. The cubic root of 1540811086 is about 1155.0030511591.

The spelling of 1540811086 in words is "one billion, five hundred forty million, eight hundred eleven thousand, eighty-six".