1355131537 has 2 divisors, whose sum is σ = 1355131538. Its totient is φ = 1355131536.

The previous prime is 1355131483. The next prime is 1355131577. The reversal of 1355131537 is 7351315531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1353945616 + 1185921 = 36796^2 + 1089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355131537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355131577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677565768 + 677565769.

It is an arithmetic number, because the mean of its divisors is an integer number (677565769).

Almost surely, 2^1355131537 is an apocalyptic number.

It is an amenable number.

1355131537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355131537 is an equidigital number, since it uses as much as digits as its factorization.

1355131537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23625, while the sum is 34.

The square root of 1355131537 is about 36812.1112814791. Note that the first 3 decimals coincide. The cubic root of 1355131537 is about 1106.6080304229.

The spelling of 1355131537 in words is "one billion, three hundred fifty-five million, one hundred thirty-one thousand, five hundred thirty-seven".