1139889026 has 16 divisors (see below), whose sum is σ = 1747405440. Its totient is φ = 557437200.

The previous prime is 1139888999. The next prime is 1139889031. The reversal of 1139889026 is 6209889311.

It is a super-3 number, since 3×1139889026³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175505 + ... + 181883.

It is an arithmetic number, because the mean of its divisors is an integer number (109212840).

Almost surely, 2^1139889026 is an apocalyptic number.

1139889026 is a deficient number, since it is larger than the sum of its proper divisors (607516414).

1139889026 is a wasteful number, since it uses less digits than its factorization.

1139889026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1139889026 is about 33762.2426091633. The cubic root of 1139889026 is about 1044.6100285542.

The spelling of 1139889026 in words is "one billion, one hundred thirty-nine million, eight hundred eighty-nine thousand, twenty-six".