814021342 has 4 divisors (see below), whose sum is σ = 1221032016. Its totient is φ = 407010670.

The previous prime is 814021337. The next prime is 814021379. The reversal of 814021342 is 243120418.

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

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, 203505334 + ... + 203505337.

It is an arithmetic number, because the mean of its divisors is an integer number (305258004).

Almost surely, 2^814021342 is an apocalyptic number.

814021342 is a deficient number, since it is larger than the sum of its proper divisors (407010674).

814021342 is a wasteful number, since it uses less digits than its factorization.

814021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407010673.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 814021342 is about 28531.0592512791. The cubic root of 814021342 is about 933.7098287465.

The spelling of 814021342 in words is "eight hundred fourteen million, twenty-one thousand, three hundred forty-two".