140252403 has 8 divisors (see below), whose sum is σ = 187126416. Its totient is φ = 93440000.

The previous prime is 140252393. The next prime is 140252419. The reversal of 140252403 is 304252041.

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 140252403 - 2¹³ = 140244211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140252403.

It is not an unprimeable number, because it can be changed into a prime (140252443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (23390802).

Almost surely, 2^140252403 is an apocalyptic number.

140252403 is a deficient number, since it is larger than the sum of its proper divisors (46874013).

140252403 is a wasteful number, since it uses less digits than its factorization.

140252403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140252403 is about 11842.8207366320. The cubic root of 140252403 is about 519.5612707229.

The spelling of 140252403 in words is "one hundred forty million, two hundred fifty-two thousand, four hundred three".