1406143402636 has 24 divisors (see below), whose sum is σ = 2812908833280. Its totient is φ = 602499595152.

The previous prime is 1406143402627. The next prime is 1406143402679. The reversal of 1406143402636 is 6362043416041.

It is a super-3 number, since 3×1406143402636³ (a number of 37 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5424916 + ... + 5678203.

It is an arithmetic number, because the mean of its divisors is an integer number (117204534720).

Almost surely, 2^{1406143402636} is an apocalyptic number.

It is an amenable number.

1406143402636 is an abundant number, since it is smaller than the sum of its proper divisors (1406765430644).

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

1406143402636 is a wasteful number, since it uses less digits than its factorization.

1406143402636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107653 (or 11107651 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 1406143402636 its reverse (6362043416041), we get a palindrome (7768186818677).

The spelling of 1406143402636 in words is "one trillion, four hundred six billion, one hundred forty-three million, four hundred two thousand, six hundred thirty-six".