1400363645 has 8 divisors (see below), whose sum is σ = 1680923904. Its totient is φ = 1119965904.

The previous prime is 1400363639. The next prime is 1400363659. The reversal of 1400363645 is 5463630041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400363645 - 2¹² = 1400359549 is a prime.

It is a super-2 number, since 2×1400363645² = 3922036676475372050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20789 + ... + 56858.

It is an arithmetic number, because the mean of its divisors is an integer number (210115488).

Almost surely, 2^1400363645 is an apocalyptic number.

It is an amenable number.

1400363645 is a deficient number, since it is larger than the sum of its proper divisors (280560259).

1400363645 is an equidigital number, since it uses as much as digits as its factorization.

1400363645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81259.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1400363645 is about 37421.4329629425. The cubic root of 1400363645 is about 1118.7857921822.

Adding to 1400363645 its reverse (5463630041), we get a palindrome (6863993686).

The spelling of 1400363645 in words is "one billion, four hundred million, three hundred sixty-three thousand, six hundred forty-five".