1005136455 has 32 divisors (see below), whose sum is σ = 1681067520. Its totient is φ = 511871360.

The previous prime is 1005136453. The next prime is 1005136507. The reversal of 1005136455 is 5546315001.

It is not a de Polignac number, because 1005136455 - 2¹ = 1005136453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005136453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225145 + ... + 229565.

It is an arithmetic number, because the mean of its divisors is an integer number (52533360).

Almost surely, 2^1005136455 is an apocalyptic number.

1005136455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1005136455 is a deficient number, since it is larger than the sum of its proper divisors (675931065).

1005136455 is a wasteful number, since it uses less digits than its factorization.

1005136455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1005136455 is about 31703.8870645225. The cubic root of 1005136455 is about 1001.7092285400.

The spelling of 1005136455 in words is "one billion, five million, one hundred thirty-six thousand, four hundred fifty-five".