1131514537 has 2 divisors, whose sum is σ = 1131514538. Its totient is φ = 1131514536.

The previous prime is 1131514487. The next prime is 1131514561. The reversal of 1131514537 is 7354151311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753173136 + 378341401 = 27444^2 + 19451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131514537 - 2¹⁹ = 1130990249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131514499 and 1131514508.

It is not a weakly prime, because it can be changed into another prime (1131514037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565757268 + 565757269.

It is an arithmetic number, because the mean of its divisors is an integer number (565757269).

Almost surely, 2^1131514537 is an apocalyptic number.

It is an amenable number.

1131514537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131514537 is an equidigital number, since it uses as much as digits as its factorization.

1131514537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 31.

The square root of 1131514537 is about 33637.9924638793. The cubic root of 1131514537 is about 1042.0455723674.

Adding to 1131514537 its reverse (7354151311), we get a palindrome (8485665848).

It can be divided in two parts, 11315 and 14537, that added together give a palindrome (25852).

The spelling of 1131514537 in words is "one billion, one hundred thirty-one million, five hundred fourteen thousand, five hundred thirty-seven".