1139572905 has 32 divisors (see below), whose sum is σ = 1869004800. Its totient is φ = 592708032.

The previous prime is 1139572877. The next prime is 1139572909. The reversal of 1139572905 is 5092759311.

It is not a de Polignac number, because 1139572905 - 2²⁹ = 602701993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1139572909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107326 + ... + 117464.

It is an arithmetic number, because the mean of its divisors is an integer number (58406400).

Almost surely, 2^1139572905 is an apocalyptic number.

1139572905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1139572905 is a deficient number, since it is larger than the sum of its proper divisors (729431895).

1139572905 is a wasteful number, since it uses less digits than its factorization.

1139572905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 1139572905 is about 33757.5607086768. The cubic root of 1139572905 is about 1044.5134537443.

The spelling of 1139572905 in words is "one billion, one hundred thirty-nine million, five hundred seventy-two thousand, nine hundred five".