842694131 has 8 divisors (see below), whose sum is σ = 893260224. Its totient is φ = 792238720.

The previous prime is 842694119. The next prime is 842694133. The reversal of 842694131 is 131496248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842694131 is a prime.

It is a super-2 number, since 2×842694131² = 1420266796843690322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842694133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11720 + ... + 42693.

It is an arithmetic number, because the mean of its divisors is an integer number (111657528).

Almost surely, 2^842694131 is an apocalyptic number.

842694131 is a deficient number, since it is larger than the sum of its proper divisors (50566093).

842694131 is a wasteful number, since it uses less digits than its factorization.

842694131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55341.

The product of its digits is 41472, while the sum is 38.

The square root of 842694131 is about 29029.1944600604. The cubic root of 842694131 is about 944.5464564930.

The spelling of 842694131 in words is "eight hundred forty-two million, six hundred ninety-four thousand, one hundred thirty-one".