1139072260 has 24 divisors (see below), whose sum is σ = 2442948480. Its totient is φ = 445934304.

The previous prime is 1139072227. The next prime is 1139072273. The reversal of 1139072260 is 622709311.

It is a super-2 number, since 2×1139072260² = 2594971227003015200, which contains 22 as substring.

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, 604950 + ... + 606829.

It is an arithmetic number, because the mean of its divisors is an integer number (101789520).

Almost surely, 2^1139072260 is an apocalyptic number.

1139072260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139072260 is an abundant number, since it is smaller than the sum of its proper divisors (1303876220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139072260 is a wasteful number, since it uses less digits than its factorization.

1139072260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211835 (or 1211833 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1139072260 is about 33750.1445922829. The cubic root of 1139072260 is about 1044.3604703960.

The spelling of 1139072260 in words is "one billion, one hundred thirty-nine million, seventy-two thousand, two hundred sixty".