140241431 has 8 divisors (see below), whose sum is σ = 153091344. Its totient is φ = 127408320.

The previous prime is 140241397. The next prime is 140241457. The reversal of 140241431 is 134142041.

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 140241431 - 2¹⁴ = 140225047 is a prime.

It is a super-2 number, since 2×140241431² = 39335317937855522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140241461) 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, 18725 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (19136418).

Almost surely, 2^140241431 is an apocalyptic number.

140241431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140241431 is a deficient number, since it is larger than the sum of its proper divisors (12849913).

140241431 is a wasteful number, since it uses less digits than its factorization.

140241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140241431 is about 11842.3574933372. The cubic root of 140241431 is about 519.5477218762.

Adding to 140241431 its reverse (134142041), we get a palindrome (274383472).

The spelling of 140241431 in words is "one hundred forty million, two hundred forty-one thousand, four hundred thirty-one".