840142113 has 8 divisors (see below), whose sum is σ = 1120728576. Its totient is φ = 559825200.

The previous prime is 840142109. The next prime is 840142117. The reversal of 840142113 is 311241048.

It is an interprime number because it is at equal distance from previous prime (840142109) and next prime (840142117).

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

It is not a de Polignac number, because 840142113 - 2² = 840142109 is a prime.

It is a super-2 number, since 2×840142113² = 1411677540072209538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (840142117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59998 + ... + 72663.

It is an arithmetic number, because the mean of its divisors is an integer number (140091072).

Almost surely, 2^840142113 is an apocalyptic number.

It is an amenable number.

840142113 is a deficient number, since it is larger than the sum of its proper divisors (280586463).

840142113 is a wasteful number, since it uses less digits than its factorization.

840142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134775.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 840142113 is about 28985.2050708633. The cubic root of 840142113 is about 943.5920030347.

The spelling of 840142113 in words is "eight hundred forty million, one hundred forty-two thousand, one hundred thirteen".