1137541231 has 2 divisors, whose sum is σ = 1137541232. Its totient is φ = 1137541230.

The previous prime is 1137541193. The next prime is 1137541243. The reversal of 1137541231 is 1321457311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1137541231 - 2¹⁷ = 1137410159 is a prime.

It is a super-2 number, since 2×1137541231² = 2588000104449990722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1137541231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137541831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568770615 + 568770616.

It is an arithmetic number, because the mean of its divisors is an integer number (568770616).

Almost surely, 2^1137541231 is an apocalyptic number.

1137541231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137541231 is an equidigital number, since it uses as much as digits as its factorization.

1137541231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1137541231 is about 33727.4551515527. The cubic root of 1137541231 is about 1043.8923516938.

Adding to 1137541231 its reverse (1321457311), we get a palindrome (2458998542).

The spelling of 1137541231 in words is "one billion, one hundred thirty-seven million, five hundred forty-one thousand, two hundred thirty-one".