1139003145 has 96 divisors (see below), whose sum is σ = 2402120448. Its totient is φ = 487378944.

The previous prime is 1139003143. The next prime is 1139003161. The reversal of 1139003145 is 5413009311.

It is not a de Polignac number, because 1139003145 - 2¹ = 1139003143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1139003143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1215117 + ... + 1216053.

It is an arithmetic number, because the mean of its divisors is an integer number (25022088).

Almost surely, 2^1139003145 is an apocalyptic number.

1139003145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1139003145 is an abundant number, since it is smaller than the sum of its proper divisors (1263117303).

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

1139003145 is a wasteful number, since it uses less digits than its factorization.

1139003145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1139003145 is about 33749.1206552112. The cubic root of 1139003145 is about 1044.3393472310.

The spelling of 1139003145 in words is "one billion, one hundred thirty-nine million, three thousand, one hundred forty-five".