140403131 has 8 divisors (see below), whose sum is σ = 153480000. Its totient is φ = 127378440.

The previous prime is 140403121. The next prime is 140403143. The reversal of 140403131 is 131304041.

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 140403131 - 2¹⁰ = 140402107 is a prime.

It is a super-2 number, since 2×140403131² = 39426078389206322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140403121) 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, 7301 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (19185000).

Almost surely, 2^140403131 is an apocalyptic number.

140403131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140403131 is a deficient number, since it is larger than the sum of its proper divisors (13076869).

140403131 is a wasteful number, since it uses less digits than its factorization.

140403131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26089.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140403131 is about 11849.1827144322. The cubic root of 140403131 is about 519.7473267009.

Adding to 140403131 its reverse (131304041), we get a palindrome (271707172).

It can be divided in two parts, 14040 and 3131, that added together give a palindrome (17171).

The spelling of 140403131 in words is "one hundred forty million, four hundred three thousand, one hundred thirty-one".