2108134454 has 4 divisors (see below), whose sum is σ = 3162201684. Its totient is φ = 1054067226.

The previous prime is 2108134429. The next prime is 2108134463. The reversal of 2108134454 is 4544318012.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2108134454² = 8888461752283756232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108134454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527033612 + ... + 527033615.

It is an arithmetic number, because the mean of its divisors is an integer number (790550421).

Almost surely, 2^2108134454 is an apocalyptic number.

2108134454 is a deficient number, since it is larger than the sum of its proper divisors (1054067230).

2108134454 is a wasteful number, since it uses less digits than its factorization.

2108134454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054067229.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2108134454 is about 45914.4253367065. The cubic root of 2108134454 is about 1282.2304969189.

The spelling of 2108134454 in words is "two billion, one hundred eight million, one hundred thirty-four thousand, four hundred fifty-four".