2142697254 has 8 divisors (see below), whose sum is σ = 4285394520. Its totient is φ = 714232416.

The previous prime is 2142697237. The next prime is 2142697259. The reversal of 2142697254 is 4527962412.

It is a happy number.

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

2142697254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142697259) 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, 178558099 + ... + 178558110.

It is an arithmetic number, because the mean of its divisors is an integer number (535674315).

Almost surely, 2^2142697254 is an apocalyptic number.

2142697254 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.

2142697254 is a wasteful number, since it uses less digits than its factorization.

2142697254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357116214.

The product of its digits is 241920, while the sum is 42.

The square root of 2142697254 is about 46289.2779593720. The cubic root of 2142697254 is about 1289.1999233294.

The spelling of 2142697254 in words is "two billion, one hundred forty-two million, six hundred ninety-seven thousand, two hundred fifty-four".