140586131 has 4 divisors (see below), whose sum is σ = 160669872. Its totient is φ = 120502392.

The previous prime is 140586067. The next prime is 140586197. The reversal of 140586131 is 131685041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131685041 = 293 ⋅449437.

It is a cyclic number.

It is not a de Polignac number, because 140586131 - 2⁶ = 140586067 is a prime.

It is a super-2 number, since 2×140586131² = 39528920459098322, 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 = 140586094 and 140586103.

It is not an unprimeable number, because it can be changed into a prime (140586631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10041860 + ... + 10041873.

It is an arithmetic number, because the mean of its divisors is an integer number (40167468).

Almost surely, 2^140586131 is an apocalyptic number.

140586131 is a deficient number, since it is larger than the sum of its proper divisors (20083741).

140586131 is an equidigital number, since it uses as much as digits as its factorization.

140586131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083740.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 140586131 is about 11856.9022514314. The cubic root of 140586131 is about 519.9730397758.

The spelling of 140586131 in words is "one hundred forty million, five hundred eighty-six thousand, one hundred thirty-one".