1401335306 has 32 divisors (see below), whose sum is σ = 2512373760. Its totient is φ = 573168816.

The previous prime is 1401335293. The next prime is 1401335321. The reversal of 1401335306 is 6035331041.

It is a super-2 number, since 2×1401335306² = 3927481279684227272, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145715 + ... + 155033.

It is an arithmetic number, because the mean of its divisors is an integer number (78511680).

Almost surely, 2^1401335306 is an apocalyptic number.

1401335306 is a deficient number, since it is larger than the sum of its proper divisors (1111038454).

1401335306 is a wasteful number, since it uses less digits than its factorization.

1401335306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1401335306 is about 37434.4133919579. The cubic root of 1401335306 is about 1119.0444938401.

Adding to 1401335306 its reverse (6035331041), we get a palindrome (7436666347).

The spelling of 1401335306 in words is "one billion, four hundred one million, three hundred thirty-five thousand, three hundred six".