1137239087 has 2 divisors, whose sum is σ = 1137239088. Its totient is φ = 1137239086.

The previous prime is 1137239011. The next prime is 1137239107. The reversal of 1137239087 is 7809327311.

It is a strong prime.

It is an emirp because it is prime and its reverse (7809327311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1137239087 - 2¹⁴ = 1137222703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137238087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568619543 + 568619544.

It is an arithmetic number, because the mean of its divisors is an integer number (568619544).

Almost surely, 2^1137239087 is an apocalyptic number.

1137239087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137239087 is an equidigital number, since it uses as much as digits as its factorization.

1137239087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1137239087 is about 33722.9756545890. The cubic root of 1137239087 is about 1043.7999202486.

The spelling of 1137239087 in words is "one billion, one hundred thirty-seven million, two hundred thirty-nine thousand, eighty-seven".