140132231 has 8 divisors (see below), whose sum is σ = 141677424. Its totient is φ = 138594880.

The previous prime is 140132197. The next prime is 140132243. The reversal of 140132231 is 132231041.

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 140132231 - 2¹⁰ = 140131207 is a prime.

It is a super-2 number, since 2×140132231² = 39274084330074722, 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 (140132731) 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, 38396 + ... + 41886.

It is an arithmetic number, because the mean of its divisors is an integer number (17709678).

Almost surely, 2^140132231 is an apocalyptic number.

140132231 is a deficient number, since it is larger than the sum of its proper divisors (1545193).

140132231 is a wasteful number, since it uses less digits than its factorization.

140132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921.

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

The square root of 140132231 is about 11837.7460270104. The cubic root of 140132231 is about 519.4128370023.

Adding to 140132231 its reverse (132231041), we get a palindrome (272363272).

The spelling of 140132231 in words is "one hundred forty million, one hundred thirty-two thousand, two hundred thirty-one".