1137326549 has 2 divisors, whose sum is σ = 1137326550. Its totient is φ = 1137326548.

The previous prime is 1137326527. The next prime is 1137326551. The reversal of 1137326549 is 9456237311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129430449 + 7896100 = 33607^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137326549 - 2¹² = 1137322453 is a prime.

Together with 1137326551, 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 (1137326579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568663274 + 568663275.

It is an arithmetic number, because the mean of its divisors is an integer number (568663275).

Almost surely, 2^1137326549 is an apocalyptic number.

It is an amenable number.

1137326549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137326549 is an equidigital number, since it uses as much as digits as its factorization.

1137326549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 1137326549 is about 33724.2724013432. The cubic root of 1137326549 is about 1043.8266781776.

The spelling of 1137326549 in words is "one billion, one hundred thirty-seven million, three hundred twenty-six thousand, five hundred forty-nine".