140620433 has 8 divisors (see below), whose sum is σ = 147538176. Its totient is φ = 133851600.

The previous prime is 140620421. The next prime is 140620451. The reversal of 140620433 is 334026041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140620433 - 2²⁶ = 73511569 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140620399 and 140620408.

It is not an unprimeable number, because it can be changed into a prime (140620453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35291 + ... + 39072.

It is an arithmetic number, because the mean of its divisors is an integer number (18442272).

Almost surely, 2^140620433 is an apocalyptic number.

It is an amenable number.

140620433 is a deficient number, since it is larger than the sum of its proper divisors (6917743).

140620433 is an equidigital number, since it uses as much as digits as its factorization.

140620433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74455.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140620433 is about 11858.3486624403. The cubic root of 140620433 is about 520.0153262248.

Adding to 140620433 its reverse (334026041), we get a palindrome (474646474).

The spelling of 140620433 in words is "one hundred forty million, six hundred twenty thousand, four hundred thirty-three".