1401453646 has 8 divisors (see below), whose sum is σ = 2114768880. Its totient is φ = 696530688.

The previous prime is 1401453637. The next prime is 1401453689. The reversal of 1401453646 is 6463541041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097651 + ... + 2098318.

It is an arithmetic number, because the mean of its divisors is an integer number (264346110).

Almost surely, 2^1401453646 is an apocalyptic number.

1401453646 is a deficient number, since it is larger than the sum of its proper divisors (713315234).

1401453646 is a wasteful number, since it uses less digits than its factorization.

1401453646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196138.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1401453646 is about 37435.9939897420. The cubic root of 1401453646 is about 1119.0759933195.

Adding to 1401453646 its reverse (6463541041), we get a palindrome (7864994687).

The spelling of 1401453646 in words is "one billion, four hundred one million, four hundred fifty-three thousand, six hundred forty-six".