140000403 has 8 divisors (see below), whose sum is σ = 189030400. Its totient is φ = 92152008.

The previous prime is 140000387. The next prime is 140000407. The reversal of 140000403 is 304000041.

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

It is not a de Polignac number, because 140000403 - 2⁴ = 140000387 is a prime.

It is a super-2 number, since 2×140000403² = 39200225680324818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140000407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295123 + ... + 295596.

It is an arithmetic number, because the mean of its divisors is an integer number (23628800).

Almost surely, 2^140000403 is an apocalyptic number.

140000403 is a deficient number, since it is larger than the sum of its proper divisors (49029997).

140000403 is an equidigital number, since it uses as much as digits as its factorization.

140000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590801.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140000403 is about 11832.1765960452. The cubic root of 140000403 is about 519.2499084168.

Adding to 140000403 its reverse (304000041), we get a palindrome (444000444).

The spelling of 140000403 in words is "one hundred forty million, four hundred three", and thus it is an aban number.