1402045120453 has 4 divisors (see below), whose sum is σ = 1402302429100. Its totient is φ = 1401787811808.

The previous prime is 1402045120423. The next prime is 1402045120459. The reversal of 1402045120453 is 3540215402041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 802129810689 + 599915309764 = 895617^2 + 774542^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402045120453 - 2³⁷ = 1264606166981 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 (1402045120459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128646150 + ... + 128657047.

It is an arithmetic number, because the mean of its divisors is an integer number (350575607275).

Almost surely, 2^{1402045120453} is an apocalyptic number.

It is an amenable number.

1402045120453 is a deficient number, since it is larger than the sum of its proper divisors (257308647).

1402045120453 is an equidigital number, since it uses as much as digits as its factorization.

1402045120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257308646.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 1402045120453 in words is "one trillion, four hundred two billion, forty-five million, one hundred twenty thousand, four hundred fifty-three".