1400152021453 has 4 divisors (see below), whose sum is σ = 1400377749408. Its totient is φ = 1399926293500.

The previous prime is 1400152021451. The next prime is 1400152021493. The reversal of 1400152021453 is 3541202510041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400152021453 - 2¹ = 1400152021451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400152021451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 112854673 + ... + 112867078.

It is an arithmetic number, because the mean of its divisors is an integer number (350094437352).

Almost surely, 2^{1400152021453} is an apocalyptic number.

It is an amenable number.

1400152021453 is a deficient number, since it is larger than the sum of its proper divisors (225727955).

1400152021453 is an equidigital number, since it uses as much as digits as its factorization.

1400152021453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225727954.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1400152021453 its reverse (3541202510041), we get a palindrome (4941354531494).

The spelling of 1400152021453 in words is "one trillion, four hundred billion, one hundred fifty-two million, twenty-one thousand, four hundred fifty-three".