1401304356 has 81 divisors (see below), whose sum is σ = 3773087409. Its totient is φ = 438427008.

The previous prime is 1401304343. The next prime is 1401304379. The reversal of 1401304356 is 6534031041.

The square root of 1401304356 is 37434.

It is a perfect power (a square), and thus also a powerful number.

1401304356 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 304 + 356 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1090980900 + 310323456 = 33030^2 + 17616^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3818085 + ... + 3818451.

Almost surely, 2^1401304356 is an apocalyptic number.

1401304356 is the 37434-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401304356

1401304356 is an abundant number, since it is smaller than the sum of its proper divisors (2371783053).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401304356 is a wasteful number, since it uses less digits than its factorization.

1401304356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The cubic root of 1401304356 is about 1119.0362553451.

Adding to 1401304356 its reverse (6534031041), we get a palindrome (7935335397).

The spelling of 1401304356 in words is "one billion, four hundred one million, three hundred four thousand, three hundred fifty-six".