213534455154 has 8 divisors (see below), whose sum is σ = 427068910320. Its totient is φ = 71178151716.

The previous prime is 213534455119. The next prime is 213534455159. The reversal of 213534455154 is 451554435312.

It is a sphenic number, since it is the product of 3 distinct primes.

213534455154 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213534455159) 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, 17794537924 + ... + 17794537935.

It is an arithmetic number, because the mean of its divisors is an integer number (53383613790).

Almost surely, 2^213534455154 is an apocalyptic number.

213534455154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213534455154 is a wasteful number, since it uses less digits than its factorization.

213534455154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35589075864.

The product of its digits is 720000, while the sum is 42.

The spelling of 213534455154 in words is "two hundred thirteen billion, five hundred thirty-four million, four hundred fifty-five thousand, one hundred fifty-four".