2157054134 has 8 divisors (see below), whose sum is σ = 3242015280. Its totient is φ = 1076382376.

The previous prime is 2157054131. The next prime is 2157054161. The reversal of 2157054134 is 4314507512.

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

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 2157054134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157054131) 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, 1071089 + ... + 1073100.

It is an arithmetic number, because the mean of its divisors is an integer number (405251910).

Almost surely, 2^2157054134 is an apocalyptic number.

2157054134 is a deficient number, since it is larger than the sum of its proper divisors (1084961146).

2157054134 is a wasteful number, since it uses less digits than its factorization.

2157054134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144694.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2157054134 is about 46444.0968692470. The cubic root of 2157054134 is about 1292.0728914871.

The spelling of 2157054134 in words is "two billion, one hundred fifty-seven million, fifty-four thousand, one hundred thirty-four".