140986411 has 4 divisors (see below), whose sum is σ = 141488424. Its totient is φ = 140484400.

The previous prime is 140986409. The next prime is 140986421. The reversal of 140986411 is 114689041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114689041 = 43 ⋅2667187.

It is a cyclic number.

It is not a de Polignac number, because 140986411 - 2¹ = 140986409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140986421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250585 + ... + 251146.

It is an arithmetic number, because the mean of its divisors is an integer number (35372106).

Almost surely, 2^140986411 is an apocalyptic number.

140986411 is a deficient number, since it is larger than the sum of its proper divisors (502013).

140986411 is an equidigital number, since it uses as much as digits as its factorization.

140986411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502012.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 140986411 is about 11873.7698731279. The cubic root of 140986411 is about 520.4660651389.

The spelling of 140986411 in words is "one hundred forty million, nine hundred eighty-six thousand, four hundred eleven".