1139074872 has 48 divisors (see below), whose sum is σ = 3083601240. Its totient is φ = 350483328.

The previous prime is 1139074831. The next prime is 1139074879. The reversal of 1139074872 is 2784709311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139074879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136363 + ... + 144474.

Almost surely, 2^1139074872 is an apocalyptic number.

1139074872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1139074872 is an abundant number, since it is smaller than the sum of its proper divisors (1944526368).

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

1139074872 is a wasteful number, since it uses less digits than its factorization.

1139074872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280872 (or 280855 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1139074872 is about 33750.1832883912. The cubic root of 1139074872 is about 1044.3612686677.

The spelling of 1139074872 in words is "one billion, one hundred thirty-nine million, seventy-four thousand, eight hundred seventy-two".