1401407314 has 4 divisors (see below), whose sum is σ = 2102110974. Its totient is φ = 700703656.

The previous prime is 1401407311. The next prime is 1401407317. The reversal of 1401407314 is 4137041041.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1401407311) and next prime (1401407317).

It can be written as a sum of positive squares in only one way, i.e., 1251956689 + 149450625 = 35383^2 + 12225^2 .

It is not an unprimeable number, because it can be changed into a prime (1401407311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350351827 + ... + 350351830.

Almost surely, 2^1401407314 is an apocalyptic number.

1401407314 is a deficient number, since it is larger than the sum of its proper divisors (700703660).

1401407314 is an equidigital number, since it uses as much as digits as its factorization.

1401407314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700703659.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1401407314 is about 37435.3751684152. The cubic root of 1401407314 is about 1119.0636609815.

Adding to 1401407314 its reverse (4137041041), we get a palindrome (5538448355).

The spelling of 1401407314 in words is "one billion, four hundred one million, four hundred seven thousand, three hundred fourteen".