1400201207645 has 8 divisors (see below), whose sum is σ = 1680491935320. Its totient is φ = 1119993975360.

The previous prime is 1400201207611. The next prime is 1400201207659. The reversal of 1400201207645 is 5467021020041.

It can be written as a sum of positive squares in 4 ways, for example, as 461587077604 + 938614130041 = 679402^2 + 968821^2 .

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

It is not a de Polignac number, because 1400201207645 - 2⁸ = 1400201207389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20836946 + ... + 20904035.

It is an arithmetic number, because the mean of its divisors is an integer number (210061491915).

Almost surely, 2^{1400201207645} is an apocalyptic number.

It is an amenable number.

1400201207645 is a deficient number, since it is larger than the sum of its proper divisors (280290727675).

1400201207645 is an equidigital number, since it uses as much as digits as its factorization.

1400201207645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41747695.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 1400201207645 its reverse (5467021020041), we get a palindrome (6867222227686).

The spelling of 1400201207645 in words is "one trillion, four hundred billion, two hundred one million, two hundred seven thousand, six hundred forty-five".