340131504 has 80 divisors (see below), whose sum is σ = 912798720. Its totient is φ = 109021440.

The previous prime is 340131503. The next prime is 340131587. The reversal of 340131504 is 405131043.

It is not an unprimeable number, because it can be changed into a prime (340131503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265714 + ... + 266990.

It is an arithmetic number, because the mean of its divisors is an integer number (11409984).

Almost surely, 2^340131504 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 340131504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456399360).

340131504 is an abundant number, since it is smaller than the sum of its proper divisors (572667216).

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

340131504 is a wasteful number, since it uses less digits than its factorization.

340131504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 340131504 is about 18442.6544727162. The cubic root of 340131504 is about 698.0431770512.

Adding to 340131504 its reverse (405131043), we get a palindrome (745262547).

The spelling of 340131504 in words is "three hundred forty million, one hundred thirty-one thousand, five hundred four".