1139248072 has 16 divisors (see below), whose sum is σ = 2136499200. Its totient is φ = 569514960.

The previous prime is 1139248069. The next prime is 1139248073. The reversal of 1139248072 is 2708429311.

It is not an unprimeable number, because it can be changed into a prime (1139248073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46197 + ... + 66427.

It is an arithmetic number, because the mean of its divisors is an integer number (133531200).

Almost surely, 2^1139248072 is an apocalyptic number.

It is an amenable number.

1139248072 is a deficient number, since it is larger than the sum of its proper divisors (997251128).

1139248072 is a wasteful number, since it uses less digits than its factorization.

1139248072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27276 (or 27272 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1139248072 is about 33752.7491028509. The cubic root of 1139248072 is about 1044.4141988156.

The spelling of 1139248072 in words is "one billion, one hundred thirty-nine million, two hundred forty-eight thousand, seventy-two".