840320483134 has 16 divisors (see below), whose sum is σ = 1375534068480. Its totient is φ = 381834915160.

The previous prime is 840320483089. The next prime is 840320483137. The reversal of 840320483134 is 431384023048.

It is a happy number.

It is a super-2 number, since 2×840320483134² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840320483137) 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, 6380374 + ... + 6510745.

It is an arithmetic number, because the mean of its divisors is an integer number (85970879280).

Almost surely, 2^840320483134 is an apocalyptic number.

840320483134 is a deficient number, since it is larger than the sum of its proper divisors (535213585346).

840320483134 is a wasteful number, since it uses less digits than its factorization.

840320483134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894095.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 840320483134 in words is "eight hundred forty billion, three hundred twenty million, four hundred eighty-three thousand, one hundred thirty-four".