1131325139 has 8 divisors (see below), whose sum is σ = 1305745248. Its totient is φ = 960105600.

The previous prime is 1131325103. The next prime is 1131325157. The reversal of 1131325139 is 9315231311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131325139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131325159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799382 + ... + 800795.

It is an arithmetic number, because the mean of its divisors is an integer number (163218156).

Almost surely, 2^1131325139 is an apocalyptic number.

1131325139 is a deficient number, since it is larger than the sum of its proper divisors (174420109).

1131325139 is a wasteful number, since it uses less digits than its factorization.

1131325139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600285.

The product of its digits is 2430, while the sum is 29.

The square root of 1131325139 is about 33635.1771067137. The cubic root of 1131325139 is about 1041.9874283626.

The spelling of 1131325139 in words is "one billion, one hundred thirty-one million, three hundred twenty-five thousand, one hundred thirty-nine".