1137891527 has 2 divisors, whose sum is σ = 1137891528. Its totient is φ = 1137891526.

The previous prime is 1137891497. The next prime is 1137891529. The reversal of 1137891527 is 7251987311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1137891527 - 2¹² = 1137887431 is a prime.

Together with 1137891529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137891529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568945763 + 568945764.

It is an arithmetic number, because the mean of its divisors is an integer number (568945764).

Almost surely, 2^1137891527 is an apocalyptic number.

1137891527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137891527 is an equidigital number, since it uses as much as digits as its factorization.

1137891527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 44.

The square root of 1137891527 is about 33732.6477911237. The cubic root of 1137891527 is about 1043.9994932422. Note that the first 3 decimals are identical.

The spelling of 1137891527 in words is "one billion, one hundred thirty-seven million, eight hundred ninety-one thousand, five hundred twenty-seven".