36140549 has 2 divisors, whose sum is σ = 36140550. Its totient is φ = 36140548.

The previous prime is 36140539. The next prime is 36140561. The reversal of 36140549 is 94504163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 20449 = 6010^2 + 143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36140549 is a prime.

It is a super-2 number, since 2×36140549² = 2612278564042802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36140519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18070274 + 18070275.

It is an arithmetic number, because the mean of its divisors is an integer number (18070275).

Almost surely, 2^36140549 is an apocalyptic number.

It is an amenable number.

36140549 is a deficient number, since it is larger than the sum of its proper divisors (1).

36140549 is an equidigital number, since it uses as much as digits as its factorization.

36140549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 36140549 is about 6011.7010072025. The cubic root of 36140549 is about 330.6218729745.

The spelling of 36140549 in words is "thirty-six million, one hundred forty thousand, five hundred forty-nine".