2135400054 has 16 divisors (see below), whose sum is σ = 4271279040. Its totient is φ = 711720200.

The previous prime is 2135400053. The next prime is 2135400067. The reversal of 2135400054 is 4500045312.

It is a junction number, because it is equal to n+sod(n) for n = 2135399997 and 2135400033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135400053) 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, 67477 + ... + 93935.

It is an arithmetic number, because the mean of its divisors is an integer number (266954940).

Almost surely, 2^2135400054 is an apocalyptic number.

2135400054 is an abundant number, since it is smaller than the sum of its proper divisors (2135878986).

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

2135400054 is a wasteful number, since it uses less digits than its factorization.

2135400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39915.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2135400054 is about 46210.3890267113. The cubic root of 2135400054 is about 1287.7347529841.

Adding to 2135400054 its reverse (4500045312), we get a palindrome (6635445366).

The spelling of 2135400054 in words is "two billion, one hundred thirty-five million, four hundred thousand, fifty-four".