140401403 has 2 divisors, whose sum is σ = 140401404. Its totient is φ = 140401402.

The previous prime is 140401367. The next prime is 140401423. The reversal of 140401403 is 304104041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140401403 - 2¹² = 140397307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140401423) 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 as a sum of consecutive naturals, namely, 70200701 + 70200702.

It is an arithmetic number, because the mean of its divisors is an integer number (70200702).

Almost surely, 2^140401403 is an apocalyptic number.

140401403 is a deficient number, since it is larger than the sum of its proper divisors (1).

140401403 is an equidigital number, since it uses as much as digits as its factorization.

140401403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140401403 is about 11849.1097977865. The cubic root of 140401403 is about 519.7451944430.

Adding to 140401403 its reverse (304104041), we get a palindrome (444505444).

The spelling of 140401403 in words is "one hundred forty million, four hundred one thousand, four hundred three".