2156134145253 has 64 divisors (see below), whose sum is σ = 3608206663680. Its totient is φ = 1127564236800.

The previous prime is 2156134145233. The next prime is 2156134145261. The reversal of 2156134145253 is 3525414316512.

It is not a de Polignac number, because 2156134145253 - 2⁴⁰ = 1056622517477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156134145233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2932200 + ... + 3593057.

It is an arithmetic number, because the mean of its divisors is an integer number (56378229120).

Almost surely, 2^{2156134145253} is an apocalyptic number.

It is an amenable number.

2156134145253 is a deficient number, since it is larger than the sum of its proper divisors (1452072518427).

2156134145253 is a wasteful number, since it uses less digits than its factorization.

2156134145253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525338.

The product of its digits is 432000, while the sum is 42.

The spelling of 2156134145253 in words is "two trillion, one hundred fifty-six billion, one hundred thirty-four million, one hundred forty-five thousand, two hundred fifty-three".