340131852 has 96 divisors (see below), whose sum is σ = 949314240. Its totient is φ = 104924160.

The previous prime is 340131823. The next prime is 340131877. The reversal of 340131852 is 258131043.

It is a happy number.

340131852 is a `hidden beast` number, since 340 + 1 + 318 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110478 + ... + 113514.

It is an arithmetic number, because the mean of its divisors is an integer number (9888690).

Almost surely, 2^340131852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340131852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474657120).

340131852 is an abundant number, since it is smaller than the sum of its proper divisors (609182388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340131852 is a wasteful number, since it uses less digits than its factorization.

340131852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 340131852 is about 18442.6639073644. The cubic root of 340131852 is about 698.0434151150.

Adding to 340131852 its reverse (258131043), we get a palindrome (598262895).

It can be divided in two parts, 3401 and 31852, that added together give a palindrome (35253).

The spelling of 340131852 in words is "three hundred forty million, one hundred thirty-one thousand, eight hundred fifty-two".