1436097973 has 4 divisors (see below), whose sum is σ = 1436235660. Its totient is φ = 1435960288.

The previous prime is 1436097959. The next prime is 1436097977. The reversal of 1436097973 is 3797906341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3797906341 = 33889 ⋅112069.

It can be written as a sum of positive squares in 2 ways, for example, as 432348849 + 1003749124 = 20793^2 + 31682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1436097973 - 2⁹ = 1436097461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436097977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51790 + ... + 74527.

It is an arithmetic number, because the mean of its divisors is an integer number (359058915).

Almost surely, 2^1436097973 is an apocalyptic number.

It is an amenable number.

1436097973 is a deficient number, since it is larger than the sum of its proper divisors (137687).

1436097973 is a wasteful number, since it uses less digits than its factorization.

1436097973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137686.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 1436097973 is about 37895.8833252373. The cubic root of 1436097973 is about 1128.2223264154. Note that the first 3 decimals are identical.

The spelling of 1436097973 in words is "one billion, four hundred thirty-six million, ninety-seven thousand, nine hundred seventy-three".