140014001 has 4 divisors (see below), whose sum is σ = 144842100. Its totient is φ = 135185904.

The previous prime is 140013997. The next prime is 140014009. The reversal of 140014001 is 100410041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78783376 + 61230625 = 8876^2 + 7825^2 .

It is a cyclic number.

It is not a de Polignac number, because 140014001 - 2² = 140013997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140014009) 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, 2414006 + ... + 2414063.

It is an arithmetic number, because the mean of its divisors is an integer number (36210525).

Almost surely, 2^140014001 is an apocalyptic number.

It is an amenable number.

140014001 is a deficient number, since it is larger than the sum of its proper divisors (4828099).

140014001 is an equidigital number, since it uses as much as digits as its factorization.

140014001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828098.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 140014001 is about 11832.7512016437. The cubic root of 140014001 is about 519.2667191581.

Adding to 140014001 its reverse (100410041), we get a palindrome (240424042).

The spelling of 140014001 in words is "one hundred forty million, fourteen thousand, one".