1401100402 has 8 divisors (see below), whose sum is σ = 2263316076. Its totient is φ = 646661712.

The previous prime is 1401100391. The next prime is 1401100417. The reversal of 1401100402 is 2040011041.

It can be written as a sum of positive squares in 2 ways, for example, as 1358733321 + 42367081 = 36861^2 + 6509^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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 3 ways as a sum of consecutive naturals, for example, 26944213 + ... + 26944264.

Almost surely, 2^1401100402 is an apocalyptic number.

1401100402 is a deficient number, since it is larger than the sum of its proper divisors (862215674).

1401100402 is a wasteful number, since it uses less digits than its factorization.

1401100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53888492.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1401100402 is about 37431.2757196439. The cubic root of 1401100402 is about 1118.9819623589.

Adding to 1401100402 its reverse (2040011041), we get a palindrome (3441111443).

The spelling of 1401100402 in words is "one billion, four hundred one million, one hundred thousand, four hundred two".