21132138160929 has 16 divisors (see below), whose sum is σ = 29090240999424. Its totient is φ = 13631224578000.

The previous prime is 21132138160921. The next prime is 21132138160943. The reversal of 21132138160929 is 92906183123112.

It is not a de Polignac number, because 21132138160929 - 2³ = 21132138160921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132138160921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19579509 + ... + 20630594.

It is an arithmetic number, because the mean of its divisors is an integer number (1818140062464).

Almost surely, 2^{21132138160929} is an apocalyptic number.

It is an amenable number.

21132138160929 is a deficient number, since it is larger than the sum of its proper divisors (7958102838495).

21132138160929 is a wasteful number, since it uses less digits than its factorization.

21132138160929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40215788.

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 21132138160929 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred thirty-eight million, one hundred sixty thousand, nine hundred twenty-nine".