1152982139 has 4 divisors (see below), whose sum is σ = 1159423560. Its totient is φ = 1146540720.

The previous prime is 1152982121. The next prime is 1152982141. The reversal of 1152982139 is 9312892511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9312892511 = 13 ⋅716376347.

It is a cyclic number.

It is not a de Polignac number, because 1152982139 - 2²⁸ = 884546683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1152982096 and 1152982105.

It is not an unprimeable number, because it can be changed into a prime (1152982639) 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, 3220442 + ... + 3220799.

It is an arithmetic number, because the mean of its divisors is an integer number (289855890).

Almost surely, 2^1152982139 is an apocalyptic number.

1152982139 is a deficient number, since it is larger than the sum of its proper divisors (6441421).

1152982139 is an equidigital number, since it uses as much as digits as its factorization.

1152982139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441420.

The product of its digits is 38880, while the sum is 41.

The square root of 1152982139 is about 33955.5906884271. The cubic root of 1152982139 is about 1048.5943818975.

The spelling of 1152982139 in words is "one billion, one hundred fifty-two million, nine hundred eighty-two thousand, one hundred thirty-nine".