1570138342 has 8 divisors (see below), whose sum is σ = 2369311056. Its totient is φ = 780367992.

The previous prime is 1570138333. The next prime is 1570138399. The reversal of 1570138342 is 2438310751.

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

It is a junction number, because it is equal to n+sod(n) for n = 1570138298 and 1570138307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350173 + ... + 2350840.

It is an arithmetic number, because the mean of its divisors is an integer number (296163882).

Almost surely, 2^1570138342 is an apocalyptic number.

1570138342 is a deficient number, since it is larger than the sum of its proper divisors (799172714).

1570138342 is a wasteful number, since it uses less digits than its factorization.

1570138342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701182.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1570138342 is about 39624.9711924186. The cubic root of 1570138342 is about 1162.2850178168.

The spelling of 1570138342 in words is "one billion, five hundred seventy million, one hundred thirty-eight thousand, three hundred forty-two".