1436340881 has 2 divisors, whose sum is σ = 1436340882. Its totient is φ = 1436340880.

The previous prime is 1436340827. The next prime is 1436340889. The reversal of 1436340881 is 1880436341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407450256 + 28890625 = 37516^2 + 5375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1436340881 - 2³⁰ = 362599057 is a prime.

It is a super-2 number, since 2×1436340881² = 4126150252863712322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1436340889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718170440 + 718170441.

It is an arithmetic number, because the mean of its divisors is an integer number (718170441).

Almost surely, 2^1436340881 is an apocalyptic number.

It is an amenable number.

1436340881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1436340881 is an equidigital number, since it uses as much as digits as its factorization.

1436340881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1436340881 is about 37899.0881288719. The cubic root of 1436340881 is about 1128.2859336771.

The spelling of 1436340881 in words is "one billion, four hundred thirty-six million, three hundred forty thousand, eight hundred eighty-one".