340142021514 has 12 divisors (see below), whose sum is σ = 736974379986. Its totient is φ = 113380673832.

The previous prime is 340142021509. The next prime is 340142021539. The reversal of 340142021514 is 415120241043.

340142021514 is a `hidden beast` number, since 3 + 4 + 0 + 142 + 0 + 2 + 1 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292121873289 + 48020148225 = 540483^2 + 219135^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9448389469 + ... + 9448389504.

Almost surely, 2^340142021514 is an apocalyptic number.

340142021514 is an abundant number, since it is smaller than the sum of its proper divisors (396832358472).

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

340142021514 is a wasteful number, since it uses less digits than its factorization.

340142021514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896778981 (or 18896778978 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 340142021514 its reverse (415120241043), we get a palindrome (755262262557).

The spelling of 340142021514 in words is "three hundred forty billion, one hundred forty-two million, twenty-one thousand, five hundred fourteen".