1400120154453 has 8 divisors (see below), whose sum is σ = 1872206778528. Its totient is φ = 930723483344.

The previous prime is 1400120154451. The next prime is 1400120154473. The reversal of 1400120154453 is 3544510210041.

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 1400120154453 - 2¹ = 1400120154451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400120154453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400120154451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672487026 + ... + 672489107.

It is an arithmetic number, because the mean of its divisors is an integer number (234025847316).

Almost surely, 2^{1400120154453} is an apocalyptic number.

It is an amenable number.

1400120154453 is a deficient number, since it is larger than the sum of its proper divisors (472086624075).

1400120154453 is a wasteful number, since it uses less digits than its factorization.

1400120154453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344976483.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1400120154453 its reverse (3544510210041), we get a palindrome (4944630364494).

The spelling of 1400120154453 in words is "one trillion, four hundred billion, one hundred twenty million, one hundred fifty-four thousand, four hundred fifty-three".