140813033 has 2 divisors, whose sum is σ = 140813034. Its totient is φ = 140813032.

The previous prime is 140813021. The next prime is 140813053. The reversal of 140813033 is 330318041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 50239744 = 9517^2 + 7088^2 .

It is a cyclic number.

It is not a de Polignac number, because 140813033 - 2⁴ = 140813017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140813053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70406516 + 70406517.

It is an arithmetic number, because the mean of its divisors is an integer number (70406517).

Almost surely, 2^140813033 is an apocalyptic number.

It is an amenable number.

140813033 is a deficient number, since it is larger than the sum of its proper divisors (1).

140813033 is an equidigital number, since it uses as much as digits as its factorization.

140813033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140813033 is about 11866.4667445706. The cubic root of 140813033 is about 520.2526299577.

It can be divided in two parts, 1408 and 13033, that added together give a palindrome (14441).

The spelling of 140813033 in words is "one hundred forty million, eight hundred thirteen thousand, thirty-three".