1401324149 has 2 divisors, whose sum is σ = 1401324150. Its totient is φ = 1401324148.

The previous prime is 1401324121. The next prime is 1401324193. The reversal of 1401324149 is 9414231041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 834169924 + 567154225 = 28882^2 + 23815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401324149 - 2⁸ = 1401323893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401324349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700662074 + 700662075.

It is an arithmetic number, because the mean of its divisors is an integer number (700662075).

Almost surely, 2^1401324149 is an apocalyptic number.

It is an amenable number.

1401324149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401324149 is an equidigital number, since it uses as much as digits as its factorization.

1401324149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1401324149 is about 37434.2643710278. The cubic root of 1401324149 is about 1119.0415240031.

The spelling of 1401324149 in words is "one billion, four hundred one million, three hundred twenty-four thousand, one hundred forty-nine".