2135454401 has 4 divisors (see below), whose sum is σ = 2156187072. Its totient is φ = 2114721732.

The previous prime is 2135454397. The next prime is 2135454493. The reversal of 2135454401 is 1044545312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2135454401 - 2² = 2135454397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135454901) 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, 10366181 + ... + 10366386.

It is an arithmetic number, because the mean of its divisors is an integer number (539046768).

Almost surely, 2^2135454401 is an apocalyptic number.

It is an amenable number.

2135454401 is a deficient number, since it is larger than the sum of its proper divisors (20732671).

2135454401 is a wasteful number, since it uses less digits than its factorization.

2135454401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20732670.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2135454401 is about 46210.9770617329. The cubic root of 2135454401 is about 1287.7456773893.

Adding to 2135454401 its reverse (1044545312), we get a palindrome (3179999713).

The spelling of 2135454401 in words is "two billion, one hundred thirty-five million, four hundred fifty-four thousand, four hundred one".