36140669 has 2 divisors, whose sum is σ = 36140670. Its totient is φ = 36140668.

The previous prime is 36140653. The next prime is 36140681. The reversal of 36140669 is 96604163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 3020644 = 5755^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 36140669 - 2⁴ = 36140653 is a prime.

It is a super-2 number, since 2×36140669² = 2612295911535122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36140369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18070334 + 18070335.

It is an arithmetic number, because the mean of its divisors is an integer number (18070335).

Almost surely, 2^36140669 is an apocalyptic number.

It is an amenable number.

36140669 is a deficient number, since it is larger than the sum of its proper divisors (1).

36140669 is an equidigital number, since it uses as much as digits as its factorization.

36140669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 36140669 is about 6011.7109877305. The cubic root of 36140669 is about 330.6222389031.

The spelling of 36140669 in words is "thirty-six million, one hundred forty thousand, six hundred sixty-nine".