140364526433 has 4 divisors (see below), whose sum is σ = 148621263300. Its totient is φ = 132107789568.

The previous prime is 140364526417. The next prime is 140364526447. The reversal of 140364526433 is 334625463041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334625463041 = 47 ⋅7119690703.

It can be written as a sum of positive squares in 2 ways, for example, as 131122203664 + 9242322769 = 362108^2 + 96137^2 .

It is a cyclic number.

It is not a de Polignac number, because 140364526433 - 2⁴ = 140364526417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140364526453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128368408 + ... + 4128368441.

It is an arithmetic number, because the mean of its divisors is an integer number (37155315825).

Almost surely, 2^140364526433 is an apocalyptic number.

It is an amenable number.

140364526433 is a deficient number, since it is larger than the sum of its proper divisors (8256736867).

140364526433 is an equidigital number, since it uses as much as digits as its factorization.

140364526433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256736866.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 140364526433 its reverse (334625463041), we get a palindrome (474989989474).

The spelling of 140364526433 in words is "one hundred forty billion, three hundred sixty-four million, five hundred twenty-six thousand, four hundred thirty-three".