1139054690 has 16 divisors (see below), whose sum is σ = 2068444728. Its totient is φ = 451589376.

The previous prime is 1139054671. The next prime is 1139054701. The reversal of 1139054690 is 964509311.

It can be written as a sum of positive squares in 4 ways, for example, as 748952689 + 390102001 = 27367^2 + 19751^2 .

It is a super-2 number, since 2×1139054690² = 2594891173621992200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 502877 + ... + 505136.

Almost surely, 2^1139054690 is an apocalyptic number.

1139054690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139054690 is a deficient number, since it is larger than the sum of its proper divisors (929390038).

1139054690 is a wasteful number, since it uses less digits than its factorization.

1139054690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008133.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1139054690 is about 33749.8842960980. The cubic root of 1139054690 is about 1044.3551006729.

The spelling of 1139054690 in words is "one billion, one hundred thirty-nine million, fifty-four thousand, six hundred ninety".