140041531 has 8 divisors (see below), whose sum is σ = 160155360. Its totient is φ = 119954688.

The previous prime is 140041511. The next prime is 140041541. The reversal of 140041531 is 135140041.

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

It is not a de Polignac number, because 140041531 - 2⁷ = 140041403 is a prime.

It is a super-2 number, since 2×140041531² = 39223260809647922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140041499 and 140041508.

It is not an unprimeable number, because it can be changed into a prime (140041511) 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, 5985 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (20019420).

Almost surely, 2^140041531 is an apocalyptic number.

140041531 is a deficient number, since it is larger than the sum of its proper divisors (20113829).

140041531 is a wasteful number, since it uses less digits than its factorization.

140041531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140041531 is about 11833.9144411306. The cubic root of 140041531 is about 519.3007502213.

Adding to 140041531 its reverse (135140041), we get a palindrome (275181572).

The spelling of 140041531 in words is "one hundred forty million, forty-one thousand, five hundred thirty-one".