1136642387 has 2 divisors, whose sum is σ = 1136642388. Its totient is φ = 1136642386.

The previous prime is 1136642371. The next prime is 1136642401. The reversal of 1136642387 is 7832466311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1136642387 - 2⁴ = 1136642371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136642317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568321193 + 568321194.

It is an arithmetic number, because the mean of its divisors is an integer number (568321194).

Almost surely, 2^1136642387 is an apocalyptic number.

1136642387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136642387 is an equidigital number, since it uses as much as digits as its factorization.

1136642387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 1136642387 is about 33714.1274097373. The cubic root of 1136642387 is about 1043.6173305646.

The spelling of 1136642387 in words is "one billion, one hundred thirty-six million, six hundred forty-two thousand, three hundred eighty-seven".