140203131 has 8 divisors (see below), whose sum is σ = 197933904. Its totient is φ = 87970560.

The previous prime is 140203099. The next prime is 140203157. The reversal of 140203131 is 131302041.

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

It is not a de Polignac number, because 140203131 - 2⁵ = 140203099 is a prime.

It is a super-2 number, since 2×140203131² = 39313835884406322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140203131.

It is not an unprimeable number, because it can be changed into a prime (140203171) 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, 1374490 + ... + 1374591.

It is an arithmetic number, because the mean of its divisors is an integer number (24741738).

Almost surely, 2^140203131 is an apocalyptic number.

140203131 is a deficient number, since it is larger than the sum of its proper divisors (57730773).

140203131 is a wasteful number, since it uses less digits than its factorization.

140203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749101.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140203131 is about 11840.7403062477. The cubic root of 140203131 is about 519.5004213285.

Adding to 140203131 its reverse (131302041), we get a palindrome (271505172).

The spelling of 140203131 in words is "one hundred forty million, two hundred three thousand, one hundred thirty-one".