1059139081 has 32 divisors (see below), whose sum is σ = 1424860416. Its totient is φ = 760320000.

The previous prime is 1059139079. The next prime is 1059139129. The reversal of 1059139081 is 1809319501.

It is a happy number.

It is not a de Polignac number, because 1059139081 - 2¹ = 1059139079 is a prime.

It is a super-2 number, since 2×1059139081² = 2243551185803049122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1059139081.

It is not an unprimeable number, because it can be changed into a prime (1059139181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881281 + ... + 882481.

It is an arithmetic number, because the mean of its divisors is an integer number (44526888).

Almost surely, 2^1059139081 is an apocalyptic number.

1059139081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1059139081 is a deficient number, since it is larger than the sum of its proper divisors (365721335).

1059139081 is a wasteful number, since it uses less digits than its factorization.

1059139081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 1059139081 is about 32544.4170480898. The cubic root of 1059139081 is about 1019.3367086467.

The spelling of 1059139081 in words is "one billion, fifty-nine million, one hundred thirty-nine thousand, eighty-one".