1401314081 has 2 divisors, whose sum is σ = 1401314082. Its totient is φ = 1401314080.

The previous prime is 1401314069. The next prime is 1401314119. The reversal of 1401314081 is 1804131041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199929600 + 201384481 = 34640^2 + 14191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401314081 - 2²⁶ = 1334205217 is a prime.

It is a super-2 number, since 2×1401314081² = 3927362307217749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1401314041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700657040 + 700657041.

It is an arithmetic number, because the mean of its divisors is an integer number (700657041).

Almost surely, 2^1401314081 is an apocalyptic number.

It is an amenable number.

1401314081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401314081 is an equidigital number, since it uses as much as digits as its factorization.

1401314081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1401314081 is about 37434.1298950570. The cubic root of 1401314081 is about 1119.0388440290.

The spelling of 1401314081 in words is "one billion, four hundred one million, three hundred fourteen thousand, eighty-one".