140051 has 4 divisors (see below), whose sum is σ = 143352. Its totient is φ = 136752.

The previous prime is 140009. The next prime is 140053. The reversal of 140051 is 150041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140051 - 2⁶ = 139987 is a prime.

It is a super-2 number, since 2×140051² = 39228565202, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140051.

It is not an unprimeable number, because it can be changed into a prime (140053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (35838).

2¹⁴⁰⁰⁵¹ is an apocalyptic number.

140051 is a deficient number, since it is larger than the sum of its proper divisors (3301).

140051 is an equidigital number, since it uses as much as digits as its factorization.

140051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 140051 is about 374.2338840885. The cubic root of 140051 is about 51.9312454244.

Adding to 140051 its reverse (150041), we get a palindrome (290092).

The spelling of 140051 in words is "one hundred forty thousand, fifty-one".