1400141 has 2 divisors, whose sum is σ = 1400142. Its totient is φ = 1400140.

The previous prime is 1400131. The next prime is 1400143. The reversal of 1400141 is 1410041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 28900 = 1171^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400141 - 2¹⁴ = 1383757 is a prime.

It is a Sophie Germain prime.

Together with 1400143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700070 + 700071.

It is an arithmetic number, because the mean of its divisors is an integer number (700071).

2^1400141 is an apocalyptic number.

It is an amenable number.

1400141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400141 is an equidigital number, since it uses as much as digits as its factorization.

1400141 is an evil number, because the sum of its binary digits is even.

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

The square root of 1400141 is about 1183.2755384947. The cubic root of 1400141 is about 111.8726496807.

Adding to 1400141 its reverse (1410041), we get a palindrome (2810182).

The spelling of 1400141 in words is "one million, four hundred thousand, one hundred forty-one".