1481527138 has 128 divisors (see below), whose sum is σ = 2980970496. Its totient is φ = 536544000.

The previous prime is 1481527121. The next prime is 1481527153. The reversal of 1481527138 is 8317251841.

It is a self number, because there is not a number n which added to its sum of digits gives 1481527138.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9811363 + ... + 9811513.

It is an arithmetic number, because the mean of its divisors is an integer number (23288832).

Almost surely, 2^1481527138 is an apocalyptic number.

1481527138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1481527138 is a wasteful number, since it uses less digits than its factorization.

1481527138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 53760, while the sum is 40.

The square root of 1481527138 is about 38490.6110369789. The cubic root of 1481527138 is about 1139.9956750631.

Adding to 1481527138 its reverse (8317251841), we get a palindrome (9798778979).

The spelling of 1481527138 in words is "one billion, four hundred eighty-one million, five hundred twenty-seven thousand, one hundred thirty-eight".