1132739987 has 2 divisors, whose sum is σ = 1132739988. Its totient is φ = 1132739986.

The previous prime is 1132739983. The next prime is 1132740001. The reversal of 1132739987 is 7899372311.

It is a weak prime.

It is an emirp because it is prime and its reverse (7899372311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1132739987 - 2² = 1132739983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1132739981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566369993 + 566369994.

It is an arithmetic number, because the mean of its divisors is an integer number (566369994).

Almost surely, 2^1132739987 is an apocalyptic number.

1132739987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132739987 is an equidigital number, since it uses as much as digits as its factorization.

1132739987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 1132739987 is about 33656.2028012668. The cubic root of 1132739987 is about 1042.4216211606.

The spelling of 1132739987 in words is "one billion, one hundred thirty-two million, seven hundred thirty-nine thousand, nine hundred eighty-seven".